[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 ...

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 ...

A few weeks ago we shared Instructable’s handy DIY guide to building your own solar-powered USB charger. Now, the website has provided a guide to creating a solar-powered charger for rechargeable NiMH ...

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 ...

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 ...

We independently review everything we recommend. We may get paid to link out to retailer sites, and when you buy through our links, we may earn a commission. Learn more› By Sarah Witman Sarah Witman ...

If there’s one thing I love as much as playing with batteries, it’s charging them up from the sun. And when it comes to my electric bikes, which are kind of outdoor toys by definition, being able to ...

Discover the EcoFlow DELTA Pro Ultra, a modular and portable whole-home backup battery system. This system provides easy expansion with additional capacity for emergencies, ensuring a reliable power ...