Media: What if you could charge double-As with the same cord as your phone? That’s a thing, and these 1.5V lithium-ion Zepath batteries are surprisingly good! Don’t throw away your Eneloops yet, as ...

In this era of cheap lithium pouch cells, it might seem mildly anachronistic to build AA batteries into a project. There are enough valid reasons to do so, however, and enough legacy hardware that ...

As much as we wish all devices came with a rechargeable battery, that’s just not the case yet. Manufacturers insist on releasing things that use AA batteries. I am not about to keep buying disposable, ...

We may receive a commission on purchases made from links. Batteries have become an essential part of everyday life. The unfortunate thing is that the majority of small batteries you'll use — AA, AAA, ...