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 ...

[Steve Chamberlin] has a spiffy solar-charged 12 V battery that he was eager to use to power his laptop, but ran into a glitch. His MacBook Pro uses Apple’s MagSafe 2 connector for power, but plugging ...

This Altoids tin charger won’t replace a traditional, high-capacity external battery pack, but it is a blast to build, recharges in the sun, and will teach you a thing or two about electronics ...

This is the most simple and affordable solar battery charger that the hobbyist can make. It has a few drawbacks over other similar controls, but offers numerous advantages. It is intended for charging ...

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 ...

As far as electric vehicles go, electric bicycles are famously energy-efficient. Most can easily travel 100 miles (160 km) on around $1 of electricity. But what if instead of paying for that ...

DIY solar power projects have always been fascinating to me. I kind of wrote the book on the subject. And since electric bikes have always been a huge part of my life, combining the two has always ...

Acceptance, technology and marketing combine to make solar-powered devices extremely viable and available for so many applications and the PulseTech Solar Pulse SP-5 is one of these. From a functional ...

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Acceptance, technology and marketing combine to make solar-powered devices extremely viable. And they’re also available for so many applications and the PulseTech Solar Pulse SP-5 is one of these.