OptiMate 4 Quad Program is the ultimate battery charger for 12V lead-acid and 12.8V lithium batteries on your motorcycle, ATV and other power-sport vehicles. Quad Program – select program 2 or 4 to charge through the BMW controlled 12V socket or program 1 or 3 for your Triumph socket or direct to the battery. *Requires optional cable to charge via the accessory socket. Select your battery type and the OptiMate 4 Quad will go through its fully automatic multi-step program to bring the battery safely to full charge. For all 12V powersport battery types including lead acid (Pb), STD (with filler caps), AGM, GEL (sealed VRLA) and Li-Ion made with LiFePO4/LFP technology. BMW motorcycle CanBus compatible with automatic activation Smart desulphation from 0.5V for Pb battery Safe to leave connected. Full electronic protection Maintains battery at full charge for good health Low voltage recovery and BMS reset for LFP battery Tests battery state of health Energy saving technology – Stand-by power less than 0.5W – Efficient 24-7 battery maintenance IP54 weatherproof. Rated for use down to -40°c SPECIFICATION IDEAL FOR: AGM, GEL & STD 12V batteries from 4 – 60Ah and lithium (LiFePO4) 12.8/13.2V batteries from 2 – 15Ah CHARGING AMPS: 1.25A (constant current) CHARGING VOLTS: nominal: 12V & 12.8V range: 0.5V – 14.4V OPERATION: Selectable, 4 charge programs: – 12V 1) Smart desulphation: 0.5V-14.4V 2) BMW CanBus compatible: 5V-14.4V – 12.8V: 3) Low volt recovery: 0.5V-14.4V 4) BMW CanBus compatible: 8.8V-14.4V