USB Power Bank keep alive

DIY & accessories
1

I guess we were not the only ones looking for a solution to this.

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This is what I use successfully.

https://m.banggood.com/8000mAh-Ultrathin-Solar-Battery-Charger-Power-Bank-For-iPhone-iPad-Tablets-Smart-Phone-p-1217860.html?rmmds=myorders

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I work in humanitarian aid and copped one of these that works well: https://www.xtorch.org/our-product.html.

My stationary relay stays on 24/7 thanks to the solar charging on that thing. Pretty cool.

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This one is designed for the purpose of being plugged in and charging. Not solar

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