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Solar Charger 25000mAh, Power Bank with 4 Solar Panels, Fast Charge External Battery Pack with Dual 2.1A Output USB Compatible with Smartphones
25000mAh High Capacity: Built-in 25000mAh Li-polymer battery, it can charge your phones 8-10 times or tablets 3-4 times for an average of 9 days of usage per charge.
4 Solar Panels: With 4 foldable high-effeciency solar panels, up to 1A input current under the sunlight, which is 4 - 6 times faster than the other solar chargers. You can also use micro USB cable to charge it.
Dual USB 2.1A Output: Dual 2.1A USB ports allow you to charge 2 devices simultaneously with 2.1A high speed charging. Auto-detect your devices' current to pair the optimal output.
Built for Outdoors: Rugged construction is dust, shock and waterproof; Built in LED flashlight with SOS mode, perfert for outdoor emergency.
What You Get: 25000mAh Portable Solar Charger, a micro USB cable, User Manual.
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Edward Strout
I am a member of a Federal Disaster Response team and as such may find myself deployed to areas that have had power knocked out. I carry high capacity power packs but of course you need power to recharge those. This item was purchased for its solar charging capability.This is a much bigger and heavier unit than I expected, so it's not something I will carry in a pocket, but based on my testing I will carry it in my go bag. The attached pictures can give you an idea of the dimensions.To test the performance I fully charged the unit using a wall plug and then used it to charge my Samsung Galaxy S-7 until the power pack was fully drained. The nutshell report is that I got about 5 full recharges before the power pack was drained.1st - phone from 7% to full in 1 hr 40 min2nd - from 3% to full in in 1 hr 46 min3rd - from 0% to full in 1 hr 45 min4th - from 1% to full in 1 hr 54 min while using the phone to surf the web5th - 0% to 45% in 42 minutes at which point the pack was drained.I then took the depleted pack outside and opened the solar panels to indirect sunlight and connected my depleted phone to it. That took my phone from 0% to 6% in one hour.I moved the pack into direct sunlight and the phone went from 6% to 13% in one hour.I then disconnected the phone and left the pack in direct sunlight for an additional 6 hrs and noted that the pack was displaying 1 light of charge capacity, (about 25%). Clearly, charging the pack by solar power alone will take several days to go from empty to full. However, since in the course of a normal work day my phone rarely falls below 50%, I feel comfortable that this unit will give me 9 to 10 recharges before running out of juice. If I set the unit into sunlight during the day and charge my phone in the evening, I imagine that I'll never be without power.The caveat...if deployed to a disaster, most of my phone use is accessing disaster related apps a few times per day, using GPS with pre-downloaded maps, and if lucky, phone or text with family and teammates. I might listen to stored music during downtime, but not streaming anything.My bottom line is that this item will go out the door with me, maybe as soon as this weekend with Hurricane Dorian on the way. I would recommend it to anyone looking for an emergency power pack. It's way too bulky for a day-to-day carry power source, but if you are expecting or planning to be completely without any electrical power for more than a couple of days, then this may be the way to go.
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Me!YAY!
So I bought this in 2018, a few weeks before my trip abroad. Because I can be quite lazy sometimes, I didn't charge it all the way before I left (it was on the first light). I had charged my phone and camera on the planeso they were fully charged. I was in Nigeria for two weeks and used this powerbank to charge my phone and camera. I didn't even open it to charge the bank via solar power (and there's plenty of sun in Nigeria). My powerbank lasted the entire two weeks, finally running out on the plane ride back. It was totally worth the money. I used my phone and camera for leisure and the power bank was great on only one charge/light. If I had used my phone for work or needed to use my laptop, I would have probably needed it to be fully charged. But again it worked great. It was pretty durable too (surviving a few falls, no cracks).
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Brent D Race
Visually appealing and seemingly well built. As per the instructions I fully charged the unit with the charging cable before using. After charging I drained the battery by charging my phone with it about 5 times. I then placed the unit in the Florida sun each day for about 4 or 5 hours per day. It took 6 days in the sun to fully charge the unit. Works how it is intended but be aware that solar charging should not be relied upon as the primary method of charging as it does take some time. Still, very useful for charging devices when out on a multi day backpacking trip. I have not left it in the rain yet to test how water proof it is.
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Debbie Cole
A very versatile charger with excellent battery storage capacity - can recharge by sun or USB port & run two devices at a time (i.e. tablet + phone on the beach) My original broke but customer service was outstanding and replaced it even after the return window expired
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Rover Rover
Works like a champ. I was out camping in the mountains for 5 days no electricity. I followed instructions and made sure the unit had a full charge prior to first use. First night my cell phone was down to 10% and my tablet down to 5%. I turned them both off and plugged them both (at the same time) into the solar charger. When I woke up the in the morning they were both at 100% charge. During the day I left the solar charger exposed to the sun. Each night it charged my cell phone and my tablet to 100%. A word of caution.... if the solar charger has LESS battery life than what you're trying to charge it will suck the power out of the device you're trying to charge and suck that power into the solar charger. Make sure you have a full charge on the solar charger before trying to charge something else with it.
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Justin
Really great charger for emergencies and on the go. 17203 mAh out of the 25000 mAh claim and when it was completely dead I charged it for 5 hours using only the solar panels and it was enough for a 50% boost on my phone which is great for emergencies such as long term power outage.
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Ricard
This product has saved us a couple of times already. We take our minivan and go on weekend trips, and we are constantly using the gps, taking photos, and on social media, which are the most battery-consuming apps, with this charger, we just leave it on our minivan's roof or on our bag back while hiking and our phones are fully charged! :)
