The most ADVANCED & TRUSTED battery charger in power sports! OptiMate 4 Dual Program includes two charging programs; program 1 is for direct charging of a battery, program 2 allows safe and unsupervised charging through a BMW motorcycle's CAN-bus controlled 12V socket. OptiMate 4 Dual Program tests before & after charging and can recover a "dead-flat" battery from as low as 0.5 Volts.
Special features in CAN-bus program: Automatic KEY-LESS activation and continued maintenance until charger is disconnected. Safe low voltage pulse desulphation. 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. 3-year limited replacement warranty.