Over the last couple of decades the use of rechargeable batteries has grown enormously, and for most common applications there are ASICs[1] which control battery management with very little additional ...

Whether you’re a seasoned traveler or someone who goes on one trip per year, there’s something that most travelers can relate to–our phone batteries barely last a full travel day. This can be ...

This handy circuit can be used to charge from one to 12 NiCd cells from a car battery. Up to six cells can be charged with switch S1 in the “normal” position. The LM317regulator operates as a simple ...

If you use an OLED laptop and often worry about battery drain, a few simple setting changes can help extend daily usage time.