DURACELL 25 Amp Battery Charger The Duracell line of Battery Chargers feature rapid charge technology for faster, more accurate charging, and do not require installation or set up. The simple plug-and-charge solution makes these chargers ideal for extending and recharging all types of 12-volt lead acid batteries. The three stage charging process ensures the battery is always fully charged, but never overcharged. Most units are conveniently packaged in a hard plastic carrying case that makes these chargers portable and easy to use. Output Current: 2/6/12/25 Amp.