In order to construct your own solar-powered USB charger, you will need thin-film solar panels, 2 NiMH AA batteries, pre-assembled USB charging circuit board, a diode, battery holder, wire and, of ...

It’s also lighter than the Allpowers model ... The BigBlue 28W USB Solar Charger is made up of four solar panels, and it has three USB-A output ports. Michael Hession/NYT Wirecutter.

The Sun Drive is a combination solar panel, USB drive and multi-charger and as you can see ... Available for a quite reasonable US$23 for the charge-only unit or $31 for the 4GB memory model, ...

Aukey Direct (100% positive feedback from 28,000) via Amazon offers its 20W Dual-USB Port Solar Charger for $37.99 Prime shipped when code AU2SOLAR is applied during checkout. That’s $32 off the ...