During an emergency situation ... generated energy can be transferred through the battery terminals to a connected device. So, he cut a USB charger cable in half and wired it up to the terminals ...

If your car's battery needs a boost with a 12V charger, you may be wondering how long the whole ordeal will take. A bit of a ...

The Mesqool Emergency Charger has a 4.5-star rating from almost ... The built-in 2,000mAh battery not only powers the radio but also doubles as an emergency power bank for your phone or small ...

This half-inch square ultra-low power energy harvesting LiPo cell charger by [Kris Winer] uses ... the heavy lifting and has nifty features like battery health monitoring and undervoltage ...