Have you ever wanted to create your own battery charge? You might find this project by Peter Hayles interesting. This cheap and easy to build NiCd/NiMH Battery Charger is suitable for automatically ...

Sure you could go buy a USB charger off the shelf, but what fun would that be? Try making one yourself with a little help from a 9V battery and a few extra components. This simple hack on a standard ...

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 ...

After earlier USB-C discussions, I'm wondering about chargers for rechargeable NiMH AA and AAA batteries. These batteries are still amazing work horses after many decades, having upgraded their mAh ...

This portable USB charger offers a point of difference: it's a DIY assemble-yourself kit that runs on AA batteries. Michelle Starr is CNET's science editor, and she hopes to get you as enthralled with ...

If you’re looking for a neat DIY project this weekend, then this DIY 9V Battery USB charger could be a fun gadget to create. With only a few components, including a 9V battery, a female USB port from ...

Instructables has a step-by-step for building your very own Altoids tin USB charger (dubbed the MintyBoost). This is probably one of the most detailed projects I've seen on Instructables (and is a ...