OptiMate 4 Quad Program is the ultimate battery charger for the high-tech 12V / 12.8V battery in your adventure, touring, cruiser, performance motorcycle, ATV, side-by-side, or personal watercraft—the world’s most advanced power-sport battery charger! Quad program: Select program 1 or 3 to charge the battery directly or through a live (hot) 12V socket*, or program 2 or 4 to charge through a BMW CAN-bus controlled 12V socket*. A fully automatic multi-step program safely brings the battery to full charge. Select by battery type and charge requirement, and the OptiMate 4 Quad Program does the rest—no supervision required! IDEAL FOR: AGM, GEL & STD 12V batteries from 4 – 60Ah & Lithium (LiFePO4) 12.8/13.2V batteries from 2 – 15AhCHARGING AMPS: 1.25A (constant current)CHARGING VOLTS: nominal: 12V & 12.8V range: 0.5V – 14.4VOPERATION: Selectable, 4 charge programs.12V: 1) Smart desulphation: 0.5V - 14.4V 2) BMW CAN-bus compatible: 5V - 14.4V12.8V: 3) Low Volt Recovery: 0.5V - 14.4V 4) BMW CAN-bus compatible: 8.8V - 14.4V FEATURES: OptiMate 4 Quad Program tests before & after charging and can recover a ‘dead-flat’ lead-acid & lithium (LiFePO4) battery from as low as 0.5 Volts.USE: Indoor / Outdoor (lowest temperature: -40°F / -40°C).INPUT: Global (100-240V 50-60Hz), high efficiency (CEC listed).STYLE: Weatherproof case with wall mounts, with 6ft / 180cm AC supply lead and 6ft / 180cm charge lead ending in SAE connector.SAVE : Low Volt Start of 0.5V + 2-step* desulphation recovery (*1-step low volt pulse save during CAN-bus mode).SAFE: No risk of overcharging. Totally safe for vehicle electronics. Sparks suppressed. Safe for long-term battery maintenance. Automatic shut-down if short-circuited or battery disconnected.INCLUDED: weatherproof battery lead, battery clip set & hanging hook.WARRANTY: 3-year limited replacement warranty.