Here is the simple circuit to charge 6 V, 4.5 Ah rechargeable Lead-acid battery from the solar panel. This is a simple solar battery charger circuit designed using LM317 voltage regulator and is used ...

The best solar chargers are great for keeping your phone, tablet or laptop juiced up when you're away from home for long periods of time. Given the current cost-of-living crisis, they can make a ...

When you’re backpacking, you need to carry only the necessities — but since you’ll be trekking out into nature, far from all of the comforts of home, you need to make sure you’re carrying items that ...

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 ...