Energize and maintain your vehicle batteries with the ENERGIZER 2-Amp Battery Charger/Maintainer. Designed with a 7-step high-frequency charging mechanism, this charger ensures batteries are at their optimal charge. Compatible with both 6-volt and 12-volt wet lead-acid automotive batteries, this device automatically toggles between charging mode and float mode monitoring. Connecting to your vehicle's battery is a breeze thanks to the included battery clips and O-ring terminals.