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 ...

Going off the grid doesn’t have to mean going without gear, so get some solar panels to ensure you can keep a generator charged as you charge bravely forward. By Nick Hilden Published Jul 29, 2024 ...

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 ...

Sometimes, you just need a consumer tech product to work. Then there are the times when we expect more from the devices in our lives, especially if we use them on a daily basis. But in order for that ...

Unlock to see our ratings and compare products side by side This BioLite charger has a claimed capacity of 3200 mAh, LEDs that show battery status, and it can only charge 1 device. It offers a 12 ...

This report is a follow-up to our how-to tech article on updating the dual-battery system in a 1995 Ford F-350 crew-cab dually. For any car or truck with a 12-volt charging system (for operating its ...

What is the best solar battery overall? With longer days and Earth Day around the corner, spring is a great time to rethink how your home uses energy. If your solar panels are soaking up more sunlight ...