Batteries are expensive, and as the proud owner of at least a dozen dead AA NiCD batteries I'm too cheap to discard, Indestructibles' latest hack will be the first I am certain to implement: reviving ...

The portable batteries charger has been designed to provide an opportunity to load NiCd batteries even in the outdoors from a 12 V battery of a vehicle. When the circuit is connected to the vehicle ...

This automatic NiCd charger for 9V NiCd batteries is using 555 timer properties and is very easy to build. Why is an automatic 9 volts NiCd battery charger? Because you can leave the battery for ...