Most mobile chargers do not have current/voltage regulation or short-circuit protection. These chargers provide raw 6-12V DC for charging the battery pack. Most of the mobile phone battery packs have ...

Here is the circuit diagram of a low cost universal charger for NiCD – NiMH batteries. This circuit is Ideal for car use. It has ability to transform a mains adapter in to a charger . Here is the ...

Whether you're dealing with a dead battery on a cold morning or just trying to maintain your car during long periods of no driving, knowing how to properly charge a car battery is important. A ...