Battery Charger/Maintainer - OptiMate™ 4 - Quad Program - Premium OptiMate™ 4 Quad Program Premium Edition Battery Charger/Maintainer The ultimate in batter care for the high technology 12V / 12.8V battery in your BMW or Triumph adventure, touring, cruiser or performance motorcycle Ready to charge through the 12V DIN socket, or charge the battery directly on all other power-sport vehicles Gold series: 9-step 12V /12.8V 1.25A sealed battery saving charger and maintainer Safe to leave connected. Full electronic protection Maintains battery at full charge and good health IP54 weatherproof. Rated for use down to -40° C / -40° F Tests battery state of health Ideal for 12V lead-acid & 12.8V / 13.2V lithium LFP (LiFePO4) batteries Smart desulphation from 0.5V, for Pb battery Low volt recovery & BMS reset, for LFP battery BMW CAN-bus compatible, automatic activation Quad Program Select program 2 or 4 to charge through BMW CAN-bus controlled 12V socket, or program 1 or 3 to charge through Triumph 12V live (hot) socket, or to charge battery direct Includes the O-19 cable accessory To charge through BMW & Triumph motorcycles 12V DIN socket 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 Green Technology Energy saving technology Stand-by power less than 0.5W Efficient 24-7 battery maintenance