Tecmate Optimate 1 Duo

A 4-step 12V/12.8V 0.6 Amp battery charger-maintainer that delivers precise micro processor controlled charging and long term maintenance. Maintain any type of 12 volt battery without overcharging. Works on standard lead-acid, sealed AGM, Maintenance Free or GEL battery from 2 to 30AH, as well as 12.8/13.2V lithium (LiFePO4) batteries. Ideal for vehicles that are seldom or seasonally used, or in storage. The OptiMate maintenance program delivers only what the battery needs, never overcharges, never undercharges. Comes with SAE style plug and battery clips.