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28w Backpacking Solar Charger
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Climbing
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Cycling
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Fishing
E. Wu
2025-08-29 21:17:35
This is one powerbank that one can fet reasonable recharge time via solar charging. Of course it is bigger than many other solar powerbanks, but definitely brings more peace of mind when charging by USB isn't available. Very funtional design (e.g., on hoard storage for cables) and build quality.
Ali Olshan
2025-08-05 15:17:13
Not much to say other than great product!
Dangelo
2025-05-11 14:13:27
I used this on a 6 day backpacking hunt. I’ve used other solar battery banks but not without the solar needing to be recharged in a single day. This product was able to keep my iPhone and watch fully charged and only used half the charge. As long as I left it in the sun when I was out hunting, it remained fully charged and ready to go. So far I’m super happy with the purchase and highly recommend.
Bob Gibson
2025-04-27 14:10:16
I love how light weight it is
D. Wilke
2025-04-11 18:48:32
I took it on camping trip. It was nice because of full charge lasted for a few days. I charged my cell phone and portable mini fan. I think everyone should have something like this in their emergency packs even at home.
JI
2025-03-22 14:46:59
My son uses this in his bugout bag
PedalingAstronomer
2025-03-01 14:36:18
Most portable solar-charging systems I’ve used have consisted of folding solar panels, which charged a separate, intermediary battery bank, usually via a standard barrel-style input connection. Packing those separate components safely for travel was a tad cumbersome. This system answers that aspect by combining its four-section, 28-Watt solar panel and battery bank into a single, compact unit protected within an integrated carry case for safe transport. I travel by bicycle, so the efficiency and convenience of the unique integration of this design is especially important to me.The product listing that accompanies this solar charger asserts that the system is IP67 water and dust resistant, and although I haven’t tested it to destruction — and don’t intend to — I have no reason to doubt that ruggedness claim. I can attest from personal experience, though, that water beads and rolls off of the outer fabric, and that the cover resists stains. Despite a month of daily use while on a bicycle journey, the outer cover still looks new, as do each of the four solar panels.The system weighs 1.92 pounds (872 grams), according to my kitchen scale, and measures 11.5 x 6.5 x 1.5 inches when closed and is 30.5 inches long when unfolded. By comparison, the old 20-Watt solar panel-battery bank combination, which this solar charger replaced, weighs 3.44 pounds (1559 grams), including the separate protective case that protects them for travel.This solar charger is designed such that the backside of the folded panels has an integrated zipper pouch. Unzipping the pouch reveals the integrated battery bank’s four terminals, consisting of a 10-Watt USB-A output port, an 18-Watt USB-A QC output port, an 18-Watt USB-C PD output port, and a 15-Watt USB-micro input port. Tap the button on top of the terminal block, and a four-LED array indicates the 10,000-mAh battery bank’s level of charge.It’s impossible to verify the 28-Watt charge rating of this system without accounting for the moment-to-moment fluctuations in solar intensity during a given charging session, plus myriad other variables, and that is beyond my ability. I can confirm, though, that based upon my experience with other ultraportable solar-charging systems, I’m satisfied this charger is indeed capable of that level of 28 Watts output to its integrated battery bank. This system has exceeded my expectations, especially under cloudy skies, and has proven more than capable of charging the various gadgets that travel with me — bike lights, bike computer, bike radar, iPhone, iPad, AirPods, Apple Watch, etc. — during the frequent days-long intervals when I don’t have access to mains power.Hope this helps. Clear skies!
MP
2024-12-06 18:06:10
I was looking for a way to keep my (Apple) electronics charged while hiking, camping, bike or riding. I selected the Callsun portable solar charger & battery and took it on a camping trip to test it out. After a few weeks of camping I am very happy with my selection.Unlike stand alone solar panels or charging batteries, the Callsun portable solar charger combined the best of both worlds. It has the ability to capture the power from the sun, during the day, and utilize the stored power in the evening or cloudy days.Charge the Panel: The Callsun portable solar charger is compact, includes a Velcro fastener, and two carabiners that allowed me to hang the solar panel from the back of my chair. I was able to keep the Callsun portable solar charger panels in direct sunlight and safe from anyone stepping on them. The portable charger also included a charging cable if you needed/wanted to charge the built-in battery from a standard charging block. This came in handy when we had 3 days of very cloudy weather and planned a hike on the 4th day. I suppose I could have charged the portable charger battery with the enclosed solar panels while hiking, but I didn’t feel comfortable that I could keep the panels facing the sun.The built-in Callsun battery has a capacity of 10kmAH which had the ability to charge my iPhone multiple times. The portable charger has multiple USB ports and can be used to charge multiple devices at the same time.The Callsun portable solar charger has become a must-have device for my camping or hiking events. I am confident in an emergency I would be able to keep my iPhone and Garmin GPS device charged until emergency crews found me. I hope I am never in an emergency situation while hiking, but it is good to know that I would have the ability to recharge my devices with the standalone charging device.Based on my personal experience and product review, I am giving the Callsun portable solar charger a 5 star rating. The portable solar battery charger performed better than expected.
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