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Solar Charger 38800mAh Solar Power Bank with Dual 5V3.1A Outputs 10W Qi Wireless Charger Waterproof Built-in Solar Panel and Bright Flashlights

  • Based on 8,662 reviews
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Availability: In Stock.
Fulfilled by Amazon

Arrives Thursday, May 23
Order within 21 hours and 35 minutes
Available payment plans shown during checkout

Color: Black


Features

  • Solar power bank 38800mAh large battery, let you get rid of the anxiety of battery power anytime and anywhere.
  • Solar power bank has a wireless charging function, two 5V3.1A USB fast output ports, can charge up to 3 devices at the same time. Note: Only Qi-enabled devices are compatible with wireless charging.
  • Power bank is waterproof, drop-proof and dust-proof, and can still work normally in extreme environments.
  • The power bank has four solar panels with a built-in power of about 2W. solar panel after the ideal sunlight in parallel arrangement of the circuit will produce a maximum of 5.5V/1.5A input. It can exceed the input of the old 5V1A charging head. But solar charging for emergency use, to ensure battery life, it is recommended that daily use of cable charging.
  • Solar power bank has a built-in smart chip that can automatically identify and be compatible with different devices, convert fluctuating voltage into stable voltage, stabilize the device, and ensure safe use.

Connector Type: USB Type C


Brand: QiSa


Battery Capacity: 38800 Milliamp Hours


Color: Black


Special Feature: Over Charging Protection Short Circuit Protection, Shockproof Dustproof Waterproof, LED Indicator Lights, Flashlight, Wireless ChargingOver Charging Protection Short Circuit Protection, Shockproof Dustproof Waterproof, LED Indicator Lights, Flashlight, Wireless Charging See more


Package Dimensions: 6.89 x 4.41 x 1.89 inches


Item Weight: 1.41 pounds


Item model number: YD-820W


Batteries: 1 Lithium Polymer batteries required. (included)


Is Discontinued By Manufacturer: No


Date First Available: June 29, 2020


Manufacturer: DonGuan Xionel Electronic Technology Co., Ltd


Frequently asked questions

If you place your order now, the estimated arrival date for this product is: Thursday, May 23

Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.

To initiate a return, please visit our Returns Center.

View our full returns policy here.

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Top Amazon Reviews


  • Travel and home
Color: Black
I bought this for traveling, but I have been using it as a secondary power source to charge electronics daily and find it very useful. I have not had a problem charging several devices.
Reviewed in the United States on May 1, 2024 by Brian Carnes

  • My favorite Product
Color: Black
Honestly, I've been wanting to get one of these for a while. It's probably one of the best purchases i've ever made. The battery is good. The value for the money is good too.
Reviewed in the United States on May 3, 2024 by Shawn Camacho

  • Convenient Emergency backup power...
Color: Black
Nice mix of features to provide normal use or emergency backup power, the Solar panels start charging on very little sunlight, easy to carry or store. Con: The LED light could be brighter but is still bright enough to be useful.
Reviewed in the United States on January 7, 2024 by TechReview

  • Best deal for the money
Color: Black
So this charger, or power bank, is pretty much that. I've had mine for about 2 months now, bought it at the beginningof 2020, I don't dare test it in extreme cold, hot temperatures or in water. I've had these type of devices before and the battery will go bad if they are exposed to extreme high or low temperatures. If I had to describe it, it's more "water resistant". And it feels like it has a little weight to it, it's about the size of a high end, large screen smart phone with the case. So it takes a little while to charge the device itself about 2-3 hours and has 2 USB ports and one mini charging port. Which I didn't like. It's hard to find a mini charger these days. It's either micro or type C or iPhone for the Apple users. No one uses mini anymore. Anyway, it does have wireless charging as well which seems to charge somewhat faster than through the USB ports. I think it might have been in the description but I'm not sure, the solar charging for this device is extremely slow. It's basically meant to be as a last resort. Maybe you are out somewhere camping and got lost and need to call someone but your phone ran out of battery. You should be able to charge the device through the solar panels and after about an hour or two IN DIRECT SUNLIGHT at least have enough power to charge your phone enough so you can make a call but not much more than that. When in direct sunlight is when it gets the most power. But the problem is when the device is charging from direct sunlight it's going to get hot...so I wouldn't leave it in the sun too long. Pros: I believe the price was like around $65 and for 35,800mAh that's the best price you're gonna get in January 2021, I looked on Amazon a while. So price and massive energy storage backup. Cons: Mini USB charging port, type C would be better. Also, it takes forever to charge with solar panels but that's really an emergency feature even though they make it seem like it's a viable way to charge it. ... show more
Reviewed in the United States on February 23, 2021 by Victor Hernandez

  • Strong & full of power
Color: Black
I’ve had this back-up battery pack for a couple mo now. I like to actually use it before hovering a review so you’re getting a more honest opinion. So the flashlight is a plus and very bright! It has 2 usb ports so you can charge 2 devices at a time. Love how it has the solar panels on it. I’ve been able to charge it from the wall and it charges pretty quick (ab 1-2 hours after complete drain) I haven’t charged with the solar panels yet I’ll have to do an update later. But I’ve been able to charge a 10 inch tablet to 100% in about 2 hrs and there’s still plenty of life left in the battery pack then charged my iPhone that bright it down to about two bars on the pack. All in all it’s a good little charger to have for when the lights go out to charge your phone or tablet. I wouldn’t hook ot up to a fridge or anything lol but it’s compact enough to Cary in your purse or car and it does it’s job! It’s better then any battery pack I’ve ever had and I’ve gone thru some battery packs. I’d definitely recommend this one… hope this helps someone😊 ... show more
Reviewed in the United States on September 2, 2023 by STACEY 😱 STACEY 😱

  • Scam listing, do not buy
Color: Black
First of all, the listing is lying about the capacity. I tested the capacity using a usb passthru analyzer. After receiving the item, i fully charged it, and then fully discharged it, and then charged it again through the tester, measuring how much power it takes to fully charge. The result the battery has a peak theoretical capacity of 13500mAh (The actual capacity will be less because the battery does not have perfect charge.discharge efficiency). This is barely 1/3 the capacity shown in the listing. Second of all, the flashlight continues to work even when the unit is so discharged that it refuses to power the usb ports. This is probably an overdischarge risk. Third of all, I see in the reviews that having the battery swell after charging it using the solar panel is a common problem. There's tons of photos. That's how my last one died. That indicates to me they're just trying to dump old inventory by any means possible, without any solutions to years old problems. This one is on the charge protection. I don't know if it's over temp, over voltage, or just dumbly over charging, but something is obviously wrong. Fourth and finally, this device has obvious design issues. - you can't use the wireless charging without covering one of the solar panels. Come on., Just put the qi charger on the back. - the unit only charges with 10W (5V, 2A) basic usb charging. A 38800mAh battery would take 19 hours to charge at this rate.Come onnnnnn, spend the extra $0.58 and use a usb controller that can do power delivery. While you're at it, support 18w or even 45w USB-PD/USB-PPS for output. "#1 in swimming pool heaters and #1 in 3 point accessories" okay, suuure The product is junk. The listing is lies. If you want to buy something the seller is proud of, look for something that isn't sold by a randomly generated brand name and wasn't obviously co-opted from another listing. ... show more
Reviewed in the United States on August 12, 2023 by Amazon Customer Amazon Customer

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