XTREME CHARGE XC100-P - Charge 12V Battery Maintenance Charger Desulfator The Xtreme Charge XC100-P Battery Charger & Desulfator evaluates and tests 12-Volt lead-acid batteries -VRLA, AGM or flooded This battery charger makes maintenance and bulk charging simple with proprietary algorithms and microprocessor controlled technology that measures voltage and current to determine the proper operating charge The variable float charge, of this battery charger, improves battery condition by increasing the charge rate safely to optimal levels and protecting it from being overcharged Includes fuse-protected battery clamps