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 ...

When you’re camping, backpacking, taking long day hikes, or simply sitting around your fire pit in the backyard, the closest outlet is likely farther away than your power cable can stretch. Pack 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 ...