Vision X Lighting 12V DC VPOWER 1.2 Amp Hour Maintenance Pulse Smart Battery Charger One charger for all 12-volt lead-acid battery types, under 120 Amp hours Smart charger restores and refreshes batteries without you having to monitor the charging Indicator lights and reverse polarity protection for security of use Compact, portable and easy to use No risk of over-charging and a built-in spark protection mechanism