OptiMate 4 Quad ProgramOptiMate 4 Quad Program. GOLD series: 9-step 12V / 12.8V 1.25A sealed battery saving charger & maintainer.The ultimate in battery care for the high technology 12V / 12.8V battery in your adventure, touring, cruiser or performance motorcycle, or ATV, Side by Side and personal watercraft – the world’s most advanced power-sport battery charger!Ideal for 12V lead-acid & 12.8V / 13.2V lithium LFP (LiFePO4).Quad program: select program 1 or 3 to charge battery direct or through a live (hot) 12V socket (requires optional cable accessory O-19 to connect to socket. Not Included), or program 2 or 4 to charge through BMW CAN-bus controlled 12V socket (requires optional cable accessory O-19 to connect to socket. Not Included).Fully automatic multi-step program brings the battery safely to full charge – Select by battery type & charge requirement and OptiMate 4 Quad Program does the rest, no supervision required!BMW motorcycle CAN-BUS compatible, automatic activation.Smart desulphation from 0.5V, for Pb battery.Safe to leave connected. Full electronic protection.24/7 Maintains battery at full charge and good health.Low voltage recovery & BMS reset, for LFP battery.S.O.H: Tests battery state of health.Green Technology: Energy saving technology, Stand-by power less than 0.5W and Efficient 24-7 battery maintenanceIP54: Weatherproof. Rated for use down to -40°C / -40°F.Important: requires optional cable accessory to connect to socket (not included).