Stanley Battery Charger And Maintainer With Engine Start (25-amp Charger 75-amp Starter)

3A/25A/75A battery charger & maintainer Automatically selects charge rate & adjusts from rapid charge to trickle charge to maximize battery life 75A patented engine start to jump-start a vehicle in 90 sec Alternator check indicates potential alternator issues Battery reconditioning technology helps reverse sulfate buildup on battery plates to improve charging carrying capability & extend battery life LCD screen with easy-to-read icons Reverse-polarity protection Includes heavy-duty cables metal clamps & user manual