Stanley FatMax BC100BF 100 Amp Battery Charger & Maintainer For Lead Acid & Lithium Batteries, New

25A BATTERY CHARGER - Automatically charges and maintains most 12 Volt batteries at the optimal charge rate 100A ENGINE START - Helps start most vehicles up to V8 engines 3A BATTERY MAINTAINER - Monitors the battery voltage after it is fully charged, and charges as needed to make sure the battery maintains full capacity VOLTAGE METER - Instantly displays battery voltage at the touch of one button