There's no need to pay the electric company to charge your small electronics when you've got a portable solar charger on hand. Learn how to turn some cheap solar panels and a Tupperware container into ...

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 ...

I've tested and reviewed tech, pet, fitness and home gear for decades. Solar chargers are convenient for camping and hiking, but you can use them to charge your gadgets for free at home, too. Solar ...