As recently as a decade ago, no one would think twice about going backpacking without a cell phone. You’d leave it in a car at the trailhead, and answer any messages after you packed out. But with our increasingly connected lives, having 24/7 cell phone access is more and more important to people.
But what do you do when you’re on a weekend or weeklong trip? Even the most robust phone batteries will die after a couple of days, particularly if they’re in the backwoods, straining for a signal.
We’ve decided to find the best solar charger for backpacking, so you can stay juiced up both at home and in the woods.
In our search for the best backpacking solar charger, we’ve looked at large, high-powered models and smaller, more easily-portable models. We’ve also looked for the chargers with the biggest power supplies, so you can recharge while you’re hiking from campsite to campsite.
Best Backpacking Solar Chargers
Amazon.com 
1. Anker 21W
Anker 21W
Free shipping
Features
- The Anker Advantage: Join the 50 million+ powered by our leading technology
- Fast Charging Technology: PowerIQ delivers the charging speed up to 2.4 amps per port or 3 amps overall under direct sunlight. 21 watt SunPower solar array is 21.5-23.5% efficient, providing enough power to charge two devices simultaneously
- Incredibly Durable: Industrial-strength PET polymer faced solar panels sewn into a rugged polyester canvas offer weather-resistant outdoor durability
- Highly Portable: Compact size (11.1 × 6.3in folded or 26.4 × 11.1in opened) and stainless-steel eye-holes on each corner allow easy attachment to backpacks, trees, or tents. Lightweight and ultra-thin design make it ideal for long treks
- What You Get: Anker PowerPort Solar (21W 2-Port USB Solar Charger), 3ft Micro USB cable, welcome guide, our fan-favorite 18-month warranty and friendly customer service
The Anker PowerPort is a 21-watt solar panel charger that collapses down to the size of a notebook.
Key Features
- 2 USB ports
- 5V/3A power output
- 21 watts total power
- Weighs 13.2 ounces
- Collapsible
- 4 large mounting grommets
- Includes a 3-foot Micro USB cable
- Open dimensions: 18 x 11 x 0.2 inches
- Folded dimensions: 11.1 x 6.3 x 1.1 inches
The Anker PowerPort Solar Charger is a good benchmark of what you should look for in a solar-powered backpacking charger. To begin with, it has two USB ports, with 3-Amp power output. This is a little juicier than a standard PC USB port and charges your devices more quickly.
It’s also lightweight, weighing in at under a pound. When opened, it’s large enough to cover most of your backpack. When collapsed, you can slip it inside to keep it dry. It has 2 pairs of large mounting grommets sewn into the nylon frame, which can be used to fasten the panel to your backpack for all-day charging. Alternatively, you can just lean it up against a rock when you get to your campsite.
Pros
- Fast, powerful charge
- Ultra-thin
- 18-month manufacturer’s warranty
Cons
- A little pricey
This hiking solar charger is thin and flexible enough to hang from your backpack if need be.
2. Goal Zero Venture
Features
- Venture 30 - 30Wh, 7800mAh power pack powers phones (2-3x), tablets (1x) and more. Lightweight and packable from the airport to the trail
- Built-in micro USB tip provides tangle-free charging for phones and tablets. Certified cables for efficient charging
- Two high-speed USB 4.8A ports capable of dishing out the fastest charge possible, at the same time
- Solar ready - charge up in 4 hours from USB or in 9 hours of full sun from the Nomad 7 Plus solar panel. Smart charging charges phones and USB devices directly from the sun. Easy-to-read LED indicator displays strength of solar conditions
- Kit includes: Venture 30 Power Bank, Nomad 7 Plus solar panel
The Goal Zero Venture 30 Plus Kit is a compact, 7-watt solar panel with a USB battery pack.
Key Features
- 2 USB dongles (1 Micro)
- 5V/4.8A power output
- 7 watts total power
- Weighs 1.56 pounds
- Includes a 7,800mAh USB battery
- Can be charged via USB wall charger
- Collapsible solar panel
- Includes a kickstand
- Open dimensions: 17 x 9 x 0.375 inches (solar panel) 4.5 x 3.25 x 1 inches (battery)
- Folded dimensions: 8.75 x 6.5 x 0.75 inches
The Goal Zero Venture 30 Plus Kit comes with not just a compact, 7-watt solar panel, but a 7,800mAh USB battery backup. Your phones recharge with lightning speed on the 4.8-Amp USB ports, the fastest on our list.
That said, the solar panel isn’t powerful enough to charge your phone that quickly on its own, so it will end up drawing on reserve power while you charge. You’ll need to leave the panel set up for about 9 hours if you want to recharge the battery pack itself.
This is a pricey kit, but it’s well worth the investment considering what you’re getting. It even comes with a kickstand, to support your charging panel at virtually any angle.
Pros
- Very fast charge
- Compact
- Easy to set up
Cons
- Charges slowly via solar
- A little pricey
This solar power kit provides an emergency battery backup for cloudy days.
3. Nekteck
Nekteck
Free shipping
Features
- 【High-Efficieny】The high-efficiency of its three solar Monocrystalline panels cell is based on SunPower Maxeon technology, that allows them to reach 21%-24% of conversion efficiency while providing enough power (up to 2.0A max per port or 3.0 A max overall)
- 【Advanced Smart IC Chip Technology】 Microchip support to detects the electronic devices plugged into the USB ports for fast charging two phones simultaneously under safe conditions as well as the prevention of overheating
- 【Portable and Foldable】The 6.3x 11.1x 1.06 inch (when folded ) small size and 17.3-ounce design that can easily squeeze in your backpack offers portability and simplicity, and the attachment hook makes it ideal for connecting to a backpack while you’re on the hiking or walking around town
- 【Dualable Design】The canvas surface and precision stitching withstand rugged for outdoor use and the PET polymer cover that guarantees IPX4 waterproof level protection will make the panels resistant to water and even dust
- 【Package】Nekteck 21W Solar Charging Panel, 2.6ft(80cm)Micro USB Cable, User Manual
The Nekteck 21W is a large, powerful solar panel that can charge two devices at once.
Key Features
- 2 USB ports
- 5V/3A power output
- 21 watts total power
- Weighs 1.1 pounds
- Waterproof panels
- 4 large mounting grommets
- Includes a 3-foot Micro USB cable
- Open dimensions: 26.3 x 11.1 x 0.52 inches
- Folded dimensions: 6.3 x 11.1 x 1.06 inches
The Nekteck 21W Solar Charger is a 21-watt solar panel that’s powerful enough to charge two USB devices simultaneously at 3 Amps. This is significant since most chargers have a drop-off in wattage when you plug in a second or third device.
When fully opened, the NekTeck is more than two feet long, but it collapses down to a small package that’s easy to fit in your backpack. The construction isn’t as flimsy as we’d like to see, but it comes with an 18-month manufacturer’s warranty in the event that something goes wrong.
Pros
- Fast, powerful charge
- Lightweight for its size
- 18-month manufacturer’s warranty
Cons
- Not very durable
This solar charger features waterproof panels, so it won’t get ruined if you get caught in the rain.
4. ECEEN
ECEEN
$39.99 in stock
Free shipping
Features
- HIGH EFFICIENCY: The Solar charger made by SUNPOWER highly efficient solar cells convert up to 22% of solar power into free energy. The charger just utilizes the natural sunlight to charge your device, like a Cellphone and Ipad simultaneously, It¡¯s a green charger without battery and not too heavy to carry.
- USB SMART OUTPUT: Built-in Smart IC frequency technology automatically adjusts to connected devices and provides the optimal charging current to minimize charging time, It detects all connected devices' input and distributes current output accordingly sunlight level.
- COMPACT CARRY: Compact size (11.5 x 6.0 x 1.0 in. folded / 12.8 ¡Á 12.0 ¡Á 0.5 in. open). Lightweight (0.8 pounds) and ultra-thin design (1.0in folded) make it great for camping, hiking, picnics, and other outdoor activities. Benefit from free solar energy in a lightweight foldable format you can always carry with you no matter where you go.
- ZIPPER PACK DESIGN: Foldable zip pack design like book, Exposure to damp conditions will not damage the exterior part of the solar charger. The wave straps on backside of solar panel make it easier to transport, hang, install, removable and easy attachment to backpacks, trees, or tents. And the soft external rainproof zipper pocket allow to stocking your device, cables gadgets convenient.
- PACKAGE & WRRANTY: You will get 1 - ECEEN 10W solar panel charger, 4 - carabiners, 1 - 40cm Micro USB cable, 1 - instruction manual. (This product not have store battery inside)
The Eceen is a lightweight solar panel that comes at a very reasonable price.
Key Features
- 2 USB ports
- 5V/1.5A power output
- 10 watts total power
- Weighs 12.8 ounces
- Includes a 3-foot Micro USB cable and 4 carabineers
- Nylon/poly shell zippers shut
- Collapsible
- Includes carabineers and D-rings
- Open dimensions: 12.8 x 12 x 0.25 inches
- Folded dimensions: 11.5 x 6 x 0.5 inches
The Eceen is a small, 10-watt solar panel that folds in and zips shut into its nylon/poly shell. This makes it not only easily portable but also surprisingly durable considering the low price of the unit.
That said, “small”, “lightweight”, and “affordable” also mean “low power”. This 10-watt panel only puts out 1.5 Amps per USB port, so your devices will charge slower than they would on a standard charger. That said, you won’t need to carry a heavy battery pack, and you can always use the included D-rings and carabineers to mount the Eceen on your pack if you decide to use it on the go.
Pros
- Lightweight
- Easy to transport
- Affordable
Cons
- Relatively low power
This backpacking solar panel zips shut like a pencil case, making it easy to stow and go in seconds.
5. RAVPower
Features
- Clean Energy Source: High-efficiency solar cells harness the power of the sun to convert up to 21.5-23.5% of solar power when exposed under direct sunlight
- Frontier Fast Charging: 85% circuit conversion unleashes a blazing fast charging speed, 2.1A under direct sunlight or up to 5.6A max using the 3 USB ports
- Intelligent iSmart Transmission: Senses the optimal charging current for connected devices, smartly sending a charge with the surest safety & reducing charging time
- Legendary Durability: Built to thrive in the great outdoors with a polyester canvas cloaked in IPX5 weatherproof protection & industrial-strength solar panels
- Off-Grid Supercharger: Lightweight, foldable, effortless to carry & incredibly simple to deploy when extra power is needed
The RAVPower is a powerful solar charger that can power up to 3 devices.
Key Features
- 3 USB ports
- 5V/4.2A power output
- 24 watts total power
- Weighs 21 ounces
- Collapsible
- Water-resistant fabric and panels
- 4 large mounting grommets
- Open dimensions: 11 x 33 x 0.4 inches
- Folded dimensions: 11 x 5.9 x 1.18 inches
The RAVPower panels provide an impressive 24 watts of total power, which is a lot for a portable charger. This gives you enough juice to charge up to 3 devices, with up to 4.2 Amps of power output. It’s water-resistant, so a surprise shower isn’t going to do you any harm.
While we appreciate how powerful the RAVPower is, it’s also on the heavy side, so before you buy one keep in mind whether or not you actually need to charge three devices at once. On the other hand, while it’s heavy, this panel still folds up to a reasonable size, so it’s easy to carry.
Pros
- Fast, powerful charge
- Charges 3 devices without the need for a battery pack
Cons
- Large and heavy
The 4.2-Amp USB ports on this solar charger provide a very fast charge.
6. BigBlue
BigBlue 3
$57.66 in stock
3 used from $50.46
Free shipping
Features
- Updated Triple USB Ports: 3 USB charging ports( Each is 5V/2.4A Max) with smart charging technology which can recognize your device smartly then providing optimal charging speed vary with different devices. The 3 USB ports can offer the total current at 5V/4.8A Max. CE/ FCC/ RoHS certificated, BigBlue ensure 100% safe charging with overcharging, overheating and short circuit protection.
- Easy to Carry: With compact size (11.1 × 6.3× 1.3in folded) and lightweight (20.6 oz) design, BigBlue foldable solar charger panel bag is small and light enough to fit into any camping backpack, hiking daypack, or emergency kit. They’re also good for stashing in an emergency kit. The 3 USB ports allow you to charge multiple devices at once.
- High Energy Conversion: Highly efficient SunPower panel convert up to 21.5-23.5% of solar power into free energy in enough sunlight. This special PET polymer surface protects it from occasional rain or wet Fog and all the ports are covered by a cloth flap and rubber cover to protect them from dust or water damage.
- Wide Compatibility: Attached Micro USB cable for almost all 5V Android devices & some DSLRs, or Apple devices (needs extra original cable). Our solar phone charger can't store the electricity, please unfold it in the outdoor direct sunlight, then connect it to your device. Note: our solar charger doesn't fit the laptops and iPad Pro.
- Package & Support: You will get BigBlue 28W Solar Phone Charger, 50cm Micro USB Cable, User Manual and friendly Customer Service. Note: Any cloud cover arrives may influence the charging speed. We suggest you to replug the device and reopen the solar panels if the charging is too slow.
The BigBlue is another big, powerful charger that’s designed for charging three devices at once.
Key Features
- 3 USB ports
- 5V/3.4A power output
- 28 watts total power
- Weighs 21 ounces
- 4 large mounting grommets
- Collapsible
- Includes a 3-foot Micro USB cable
- Open dimensions: 33.1 × 11.1 × 0.2 inches
- Folded dimensions: 11.1 × 6.3 × 1.3 inches
The BigBlue puts out – surprise! – 28 watts of power, making it the most powerful on our list. This makes a difference when you have devices plugged into all three USB ports since your power won’t drop below 3.4 Amps due to powering multiple devices.
That said, the BigBlue comes with the same downside as other large panels. While it collapses reasonably small, it’s still heavy and isn’t really justified unless you actually need this much power. If you do, though, the BigBlue comes with a 24-month warranty that’s among the best in the business.
Pros
- Fast, powerful charge
- Charges 3 devices without the need for a battery pack
- 24-month manufacturer’s warranty
Cons
- Large and heavy
If raw power is what you crave, this 28-watt solar panel is the most powerful on our list.
7. ADDTOP
ADDTOP
$45.99 in stock
Free shipping
Features
- 25000mAh SOLAR CHARGER: Provides large battery power for usage during outdoor activities. The power bank can charge for iPhone 6 around 10 times, for Samsung S6 around 7 times and tablets around 3 times on a full recharge.
- 4 FOLDABLE SOLAR PANELS: This Portable Solar Charger is handheld sized, which looks a slightly larger than smartphone when fold. It can absorb more solar energy than ordinary solar charger when unfold.
- FAST CHARGING: Dual USB output ports can charge 2 devices simultaneously up to 5V/2.1A with Quick Charge. Auto-stop when the phone is full charged. This helps avoid over-heating & over-charging situations.
- EMERGENCY LED LIGHTS: The solar power bank equipped bright LED light, works perfectly in darkness, ideal for outdoor trips or emergency events. Easy to carry, you may hang it on your backpack for traveling, hiking, camping.
- WHAT YOU GET: 1* Solar charger, 1* Micro-USB cable, 1* User manual. Note: please don't put the charger in the car to charge by the solar.
The AddTop is very compact and will fold down to the size of a smartphone.
Key Features
- 2 USB ports
- 5V/2.1A power output
- 5 watts total power
- Weighs 1.18 pounds
- Integrated 25,000mAh battery
- Can be charged from a USB wall charger
- Collapsible
- Open dimensions: 6.1 x 15.1 x 1.14 inches
- Folded dimensions: 6.1 x 3.3 x 1.37 inches
The AddTop 25000mAh Solar Charger is a 2-port charger with a 2.1-Amp output. This isn’t terrible, but it’s not as fast as a high-powered charger. It weighs just over a pound, including the 25,000mAh battery pack that’s built into the unit. This battery provides several smartphone charges and can be charged at home before you go camping. Alternatively, it can be charged with the AddTop’s solar panel, although a full charge will take about a full day.
That said, the AddTop is extremely compact. It closes to the size of a smartphone, and even when it’s open it’s about the size of a notebook. And it comes at an affordable price, making it a great value.
Pros
- Very compact
- Affordable
Cons
- Relatively low power
- Takes a long time to charge via solar
This solar charger is ideal if space and affordability are your primary concerns.
8. POWERADD Apollo 2
Features
- Solar Power Bank: 12000mAh solar portable charger. It can be recharged by solar energy when it is under the sun, ideal for hike, trip and other outdoor activities. (Note: The charging time varies depending on the intensity of the sun's rays)
- Dual USB Outputs: Charge 2 devices simultaneously with max output up to 5V/2.4A, deliver fast charge. Only takes 4-5 hours to fully charge the battery(via 5V/2A charger), save your charging time than most other similar power banks.
- Widely Compatible: Compatible with your iPhone, Samsung, HTC, Nexus, Go-pro Camera, Tablets and other USB devices. More than 1000+ recharge lifecycle. It can charge iPhone7 Plus up to 3 times, iPhone Xs up to 3.5 times, iPhone 8 up to 4 times. Best choice for resources of emergency power.
- Solid and Durable: Waterproof IPX7 level, dust and shock protection, do not worry about rain or other damage. Two LED flashlights, there are constant light mode, flashing light and SOS, with a built-in lighter, make a preparation for your outdoor activities.
- What you get: POWERADD Apollo 2 x1, Carabiner x 1, USB cable x 1, User Manual x 1, Feedback Card x 1; POWERADD Offers 30-Day money back within 24-Month limited product guarantee and 24h*7d friendly customer service.
The PowerAdd Apollo 2 is the multi-tool of portable solar chargers; it does just about everything.
Key Features
- 2 USB ports
- 5V/2.4A power output
- 1-watt total power
- Weighs 10.9 ounces
- Integrated 12,000mAh battery
- USB dongle for charging from a USB charger
- Includes a carabineer
- Built-in LED flashlight
- Built-in electric cigarette lighter
- Dimensions: 6.31 x 3.14 x 0.86 inches
The PowerAdd Apollo 2 is an impressive little machine. It’s a smartphone-sized solar panel with a built-in 12,000mAh battery that can be pre-charged at home. The solar panel only provides 1 watt of power, so consider it more an emergency survival option than as a serious solar phone charger. If it’s left out all day, it will charge the battery enough to get a typical smartphone to about half a charge.
This portable power supply also features a pair of built-in flashlights, with steady and strobe modes for multiple survival functions. For what it’s worth, it also includes an electric cigarette lighter, which could be used to start a fire if you have enough patience.
Pros
- Lightweight and compact
- 24-month limited warranty
- Multiple other functions
- Affordable
Cons
- Takes a long time to charge via solar
If you also want a flashlight, a cigarette lighter, and a backup battery, the PowerAdd is a solid choice.
9. PLOCHY
Features
- 24000mAh Huge Capacity - It can fully charges an iPhone 9 times, a Samsung Galaxy S7 6 times, a 9.7-inch iPad Pro 2.2 times and other smartphones multiple times.
- Dual Input - No matter whichever cable you are carrying, you can recharge the power bank with either the attached micro-USB cable or your own cable.
- Quick Charging Technology - Highest charge output through 3 USB ports (5V / 2.4A ,5V / 2.4A and 5V / 2.4A) providing enough power to charge three devices simultaneously,so you can share it with your family or friends.
- Charge Anytime Under the Sun - Light and portable battery bank charges whenever it's sunny thanks to the wide solar panel. (Note: Please do not take solar as primary recharge source, as the charging speed will subject to sunlight intensity and panel conversion rate)
- What You Get - PLOCHY Solar Charger 24000mAh, Micro USB Cable, User Guide and friendly customer service.
The PLOCHY Power Bank is a 24,000mAh power supply with an emergency backup solar panel.
Key Features
- 3 USB ports
- 5V/2.4A power output
- 1-watt total power
- Weighs 12.34 ounces
- Integrated 24,000mAh battery
- Dual Micro USB and standard USB recharge ports
- Includes a Micro USB charging cable
- Dimensions: 6.5 x 3.34 x 0.78 inches
The PLOCHY Power Bank, like the Apollo 2, functions primarily as a battery backup. The 24,000mAh battery is enough to power an average smartphone 3 or 4 times, and the overall size and weight are about the same as your average smartphone.
The 1-watt solar panel can be used to recharge the PLOCHY in an emergency, but it’s best to recharge from a wall supply if at all possible. You can use either a Micro USB or a standard USB cable to recharge, although a Micro USB charger is included in the kit.
Pros
- Lightweight
- 24-month manufacturer’s warranty
- Affordable
Cons
- Takes a long time to charge via solar
If you primarily want a power supply but like the idea of a solar backup, the PLOCHY is a great solution.
10. X-DRAGON
X-DRAGON
Free shipping
Features
- Exclusive SolarIQ Technology: It can automatically adjust the current and voltage to achieve maximum power,delivering its fastest possible current up to 2 amps per port or 3 amps overall under direct sunlight
- High Efficiency: SunPower solar cell is made from US, up to 22%-25% efficiency, while most panels in the market are 15% efficiency
- Dual-USB Power: 20 watt sunpower provides enough power to charge cellphone and ipad at the same time
- Slim and Powerful: 1/3 lighter than the same power of solar silicon. The total power increased by 1/3 in compare with the same solar panel size; eyeholes enable easy
- Package Contents: 20W Foldable Solar Charger,carabiner, micro USB cable, instruction manual
The X-Dragon has four large stainless steel mounting rings that make it easy to secure to your backpack.
Key Features
- 2 USB ports
- 5V/2A power output
- 20 watts total power
- Weighs 1.3 pounds
- Collapsible
- Built-in surge protector
- 4 built-in heavy mounting D-rings
- Includes Micro USB cable and carabineer
- Open dimensions: 23.3 x 12.1 x 0.12 inches
- Folded dimensions: 12.1 x 7.2 x 0.51 inches
The X-Dragon Portable is a 20-watt collapsible solar charger with two USB ports. It provides 2 Amps of power, which is towards the low end of the scale, but still not unreasonably slow for charging. It includes a micro USB cable for your devices and a carabineer for securing it to your backpack with one of the sturdy D-rings.
The neat thing about this charger is the built-in surge protector. If something should malfunction and cause a power surge, your electronic devices will remain safe from any damage. The X-Dragon is also more rugged than most solar chargers, with a beefy nylon frame that can take a beating.
Pros
- Easy to mount
- Built-in surge protector keeps your devices safe
- Durable construction
Cons
- Relatively low power
If you’re concerned about the safety of using a portable solar charger, the X-Dragon’s built-in surge protector will set your mind at ease.
11. X-DRAGON 25000 mAh
Features
- ☀️【25000mAh HIGH CAPACITY SOLAR CHARGER】: Built-in 25000mAh Li-polymer battery, it provides great battery backup for your device, it could fully charge most smart phones about 6-8 times, which will be helpful for your travel or other outdoor activities
- ☀️【REMOVABLE SOLAR PANELS】: Unlike traditional solar panel, it is updated with 3 removable panels(the solar power is 6W), quickly charging the cellphone simutaneously when the solar charger itself is being charged in sunlight, reducing the solar charging time up to 75%
- ☀️【WATERPROOF DUAL USB OUTPUTS & INPUTS】: Equipped with 2.4A dual usb outputs, it can charge two devices at the highest speed simultaneously. The micro USB and type C dual inputs (5V2A max)are available, it provides you with more options to charge. The unique design of USB ports, which is waterproof, dustproof and shockproof, perfect for outdoor activity
- ☀️【OUTDOOR DESIGN】: Built in LED flashlight can be used as a torch; there are 3 modes, steady light, SOS, strobe, perfect for outdoor emergency. The granular abrasive material on the charger's back will prevent falling to the ground when you hold it in your hand. The exterior is made of leather sheath and ABS. It is foldable and convenient to carry for hiking, camping, travel, and other outdoor events
- ☀️【MULTIPLE PROTECTION】: The waterproof design of the USB ports ensures the device function smoothly when it's raining; shock-proof & dustproof feature ensures the device work properly even it crashes or drops
The X-Dragon Solar Power Bank has an exceptionally weatherproof design, with a waterproof screen and a durable, waterproof case.
Key Features
- 2 USB ports
- 5V/2.1A power output
- 3.6 watts total power
- Weighs 11.8 ounces
- Integrated 25,000mAh battery
- Collapsible
- Rain-proof design
- Built-in LED flashlight
- Open dimensions: 6.1 x 11.57 x 0.55 inches
- Folded dimensions: 6.1 x 3.34 x 0.79 inches
The X-Dragon Solar Power Bank is a rugged, well-engineered power bank with a collapsible solar backup power supply. This backup is more powerful than most on the market, providing 3.6 watts of power, or enough to fully charge the 10,000mAh battery in about a day. At night, you can use the LED flashlight to find your way around your campsite.
The USB ports are nothing to write home about, but they’re still within a reasonable power range, with 2.1 Amps of power. One thing we really liked about this X-Dragon unit was the price; it’s very reasonable, and a great value for everything you get.
Pros
- Lightweight
- Durable construction
- Compact and portable
- Affordable
Cons
- Relatively low power
- Charges slowly on solar
This power bank charges more quickly from its solar backup than most compact power banks on the market.
12. Renogy
Renogy
Free shipping
Features
- 【Auto-Optimization Charging Continous charging once back in the sun.
- 【Portable Included carabineers and suction cups for easy attachment. Ultra-Thin and Lightweight.
- 【Versatile Different mounting options included. Compatible with any USB device.
- 【Advantage High efficient monocrystalline solar cells, lightweight, water-resistant, overcharge protection.
- 【 Information Accessories 1-year material .
The Renogy Portable E.Flex weighs just over a quarter-pound; when you account for condiments and fixings, that’s less than a McDonald’s hamburger.
Key Features
- 1 USB port
- 5V/1A power output
- 5 watts total power
- Weighs 5.6 ounces
- Water resistant
- Includes 2 carabineers and 4 suction cups
- Dimensions: 10.3 x 6.3 x 0.16 inches
The Renogy Portable E.Flex is a slim, lightweight solar panel that’s designed to provide a bare minimum of power while adding the bare minimum of bulk to your kit. It weighs just over a quarter-pound and is about half the size of a paper magazine. Slip it into your pack, and you may forget you’re even carrying it.
The E.Flex supplies only 1 Amp of power and is only strong enough to power a single USB port. That said, it’s about as much power you can reasonably expect from a panel this slim and compact.
Pros
- Very slim and light as a feather
- 12-month manufacturer’s warranty
- Affordable
Cons
- Slow charge
If weight is your primary concern, the E.Flex solar charger is as good as it gets.
13. RAVPower
Features
- 【15000mAh High Capacity Solar Charger】The solar panel charger built-in 15000mAh Li-polymer battery, it’s enough to charge an iPhone 11 for 3 times, a Galaxy S10 for 2.1 times, an iPad Pro for 1.2 times!
- 【Two Charging Methods】The portable solar charger powerd by Dual DC 5V/2A or solar. Built-in multi-protection system protect the battery charger against over current and short circuit, providing safe charging for your device.
- 【2-USB Ports for Charger】Support charging 2 devices simultaneously with dual USB ports, compatible with almost all USB charging devices, it perfectly meets your whole family charging demands with no worry about running out of power in daily life, emergency, or long journey.
- 【ABS Material with Bright LED Light】The USB power bank used ABS environmentally friendly material, stylish and decent. Built-in LED lights with powerful lighting function,this Solar phone charger is the best choice for outdoor enthusiasts.
- 【What you get】Except our high capacity 15000mAh portable solar power bank, there are 2* USB to Micro USB cables and 1* Manual coming together, it is a great companion for outdoor sports!
The RAVPower is substantial considering its small size.
Key Features
- 2 USB ports
- 5V/2.1A power output
- 1 watt total power
- Weighs 13.5 ounces
- Integrated 15,000mAh battery
- Waterproof
- Includes 2 3-inch Micro USB cables
- Built-in LED flashlight
- Dimensions: 6.69 x 3.54 x 0.79 inches
The RAVPower 15000mAh Solar Charger is a compact, 15,000mAh battery with a backup solar panel that provides 1 watt of power. As with other compact solar panels, this isn’t enough to power your phone, just enough to charge the battery pack.
On the other hand, this charger is an affordable solution, and it’s compact enough not to take up a lot of space in your back. It’s also waterproof, so you can leave it sitting out unattended in questionable weather, and it will be fine.
This RAVPower battery pack also features a built-in LED flashlight. This is a true survival flashlight with standard, strobe, and SOS functions to handle just about any emergency.
Pros
- Versatile
- Compact and portable
- Affordable
Cons
- Relatively low power
- Charges slowly on solar
If you want a portable power solution that’s small, lightweight, and cheap, this one is a good selection.
14. Voltaic Systems
Voltaic Systems
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Features
- INCLUDES A BATTERY PACK (POWER BANK) to charge your laptop quickly and safely. Store power and charge your device(s) from the included V88 Battery Pack - rain or shine, day or night. Completely charges most laptops in 2 hours, 1 hour to charge most smartphones.
- INCLUDES A 2-YEAR WARRANTY. Our solar panels are designed to last. Built using rugged fabric and strong solar cells that can withstand the rigors of everyday use (2 year on solar panel, 1 year on battery pack)
- HIGH PERFORMANCE SOLAR PANELS made from industry-leading monocrystalline solar cells fully charges V88 power bank in just 6 hours of direct sunlight.
- DESIGNED TO GET THE MOST OUT OF THE SUN | Only weighs 3.25 lbs. Attach to your backpack or stash into the smallest of spaces in your travel bag. Reinforced attachment points allow for easy mounting on various backpacks, bicycles, and touring gear
- COMPATIBILITY | Designed to power and charge thousands of laptops computers, DSLR batteries and USB devices like the Macbook, iPhone, iPod, iPad, Samsung Galaxy, Sony, Nikon, Canon, GoPro, Blackberry, Android devices, and other smartphones. *May require additional adapters, see details below*
The Voltaic Systems Arc 20 is a large, heavy-duty charging system with a complete solar panel and battery backup.
Key Features
- 2 USB ports and 1 laptop port
- 5V/3A USB power output
- 12V/16V/19V/24V variable laptop port output
- 20 watts total power
- Weighs 3.5 pounds
- Integrated 24,000mAh battery
- Waterproof
- Collapsible
- LED display
- Includes 10 common laptop adapters
- Open dimensions: 33.9 x 10.0 x 0.1inches
- Folded dimensions: 7.5 x 10.0 x 0.8 inches
The Voltaic Systems Arc 20 is a complete backpacking power kit that includes both a 20-watt solar panel and a beefy, 24,000mAh battery. It’s waterproof, and collapses to the size of a laptop computer, although it weighs in at a hefty 3.5 pounds that you’re going to notice in your pack.
Not only does this charger offer two fast, powerful 3-Amp USB ports, it also has a variable-voltage laptop port that can push up to 24 volts. The kit includes 10 different laptop adapters, and will automatically adjust the voltage to the appropriate level for your machine. To top things off, Voltaic Systems offers a 2-year warranty on the solar panel and a 1-year warranty on the battery pack.
Pros
- Fast, powerful charge
- Charges most common laptops
- Large battery capacity
- 2-year manufacturer’s warranty (1 year on battery pack)
Cons
- Heavy
- Expensive
If you want all the features and aren’t concerned about weight, you’ll love this backpacking solar kit.
15. Wildtek Source
Features
- FULLY WATERPROOF AND DUSTPROOF - The Wildtek Source Solar Charger is the first fully waterproof solar charger when stowed…even the USB ports…so it can keep up with you on all of your adventures…no matter how wet, icy or dusty.
- ULTRA HIGH EFFICIENCY - The Wildtek Source Panels feature SunPower’s latest high efficiency solar cells, delivering a faster more a efficient charge with a more compact panel…almost 2X as efficient as competing solar chargers
- GET THE FASTEST CHARGE - Wildtek’s SmartCharge Technology will detect your USB powered device and deliver the optimum charge...compatible with Apple iPhone 7 / 6s / Plus, iPad Pro / Air 2 / mini, Galaxy S8 / S7 / S6 / Edge / Note 5 / 4, LG, Nexus, HTC and many DSLR's, GPS and more
- LIGHTWEIGHT, PORTABLE, WITH BUILT IN STAND - The Source panels were designed to seamlessly accompany you on any adventure…they’re ultra lightweight, easily packable, include carabiner’s to strap the panel to your backpack, and include a built in stand for optimal sun exposure and convenience
- FULL WARRANTY AND SUPPORT THE ENVIRONMENT - A full 2-year warranty provides you with full protection and you can feel good about your purchase, knowing that part of your purchase will fund the preservation and restoration of the planet
The Wildtek Source delivers good enough performance to justify the purchase.
Key Features
- 2 USB ports
- 5V/2.1A power output
- 21 watts total power
- Weighs 1.6 pounds
- Collapsible
- Waterproof
- 4 large mounting grommets
- Built-in stand
- Includes 2 6-inch Micro USB cables
- Open dimensions: 11 x 25.5 x 0.45 inches
- Folded dimensions: 11 x 6.5 x 1.5 inches
The Wildtek Source 21W is a reliable, mid-priced collapsible solar kit that delivers 21 watts of solar power, just as its name implies. This is enough to power a pair of 2.1-Amp USB ports, which will get your devices charged at a reasonable pace.
This panel can be worn on your back, thanks to the four mounting grommets that are stitched into the durable polyester/nylon frame. And it comes with a 2-year warranty, which lets you know it’s built to last.
Pros
- Durable construction
- 2-year manufacturer’s warranty
Cons
- Relatively low power
If your main concern is reliability and durability, this charging kit is a good choice.
Bottom Line
As you can see, there are significant differences between different types of portable solar chargers. Some are 18 inches or more to a side when they’re open, and are made to charge several devices at once. Some are smaller and are designed to charge a portable power supply over the course of an entire day.
When choosing a charger, you ultimately need to answer three questions:
- How many devices do you need to charge?
- How much time are you spending hiking versus remaining at the campsite?
- How much bulk are you willing to add to your kit?
Depending on the answer to those questions, your needs are going to be different. You may even find that multiple smaller chargers are a better solution than a single large charger if you have several devices to charge and you aren’t spending many daylight hours in camp.
The Review
Best Solar Charger For Backpacking
Here are the best solar charger for backpacking on the market today along with their pros and cons to help you choose which one to buy.
Review Breakdown
- Anker 21W
- Nekteck 21W
- Goal Zero Venture
- ECEEN
- RAVPower
- BigBlue 3
- ADDTOP
- POWERADD Apollo 2
- PLOCHY
- X-DRAGON
- X-DRAGON 25000mAh
- Renogy
- RAVPower
- Voltaic Systems
- Wildtek Source
Best Solar Charger For Backpacking DEALS
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