— -- Our mobile gadgets have become such a societal requirement that we are rarely without them — and therefore often find them low on power. Between social networking, conference calls, and even ...

A solar-powered battery charger features patent-pending technology that provides an energy system to distribute electrical impulses generated by a solar panel. It uses a microprocessor to implement ...

Solar charging of batteries has recently become very popular. A solar cell’s typical voltage is 0.7 V. Many panels have eight cells in series and are therefore capable of producing 5.6 V at most. This ...

Summer is here, and with it comes glorious sunshine. As well as keeping your vitamin D levels topped up, the sun can be a free source of off-grid power for your gadgets. If the thought of your ...

This article is part of Gizmodo Deals, produced separately from the editorial team. We may earn a commission when you buy through links on the site. Reading time 2 minutes Power banks rose in ...