Build a $4 DIY Solar Battery Charger. Jason Fitzpatrick. February 6, 2011 ... $4 Solar Battery Charger [Instructables via Unpluggd] Jason Fitzpatrick. Read Jason's full bio. More by Jason.

We've previously pointed to a clever hack-up of the MintyBoost DIY Altoids tin charger and small solar panels. Now the MintyBoost makers have released an official MintyBoost kit, with a detailed ...

[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… ...

This easy-to-make DIY solar charger assures you'll never have to leave home and worry about a "Low Battery" alert on your smartphone ever again.

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 ...

The 8 best solar battery chargers for your car, phone, boat, RV, and more! Many of the devices that we depend on throughout the day run on batteries and it’s never fun when those batteries run down. A ...

The Best Portable Solar Battery Charger. Updated May 29, 2025. 1 Deal. Michael Hession/NYT Wirecutter. By Sarah Witman. Sarah Witman is a writer focused on batteries and charging accessories.