Optimate 4 Dual Program

Multi-stage desulfation saves neglected batteriesOptimizes battery power and life24/7 safe long term battery careCharge battery DIRECT or via CAN-busA. Unique OptiMate desulfation: Saves low voltage batteries irrecoverable by standard chargers / charging systems. B. Multi-stage charge cycle for fastest and most complete charge. C. Battery test at connection AND after charging. Unique maintenance charge with desulfation pulse.Special features in CAN-bus program:+ Safe low voltage pulse desulfation+ Automatic KEY-LESS activation until charger is disconnected.Perfect for unsupervised months-long maintenance of any 12V lead-acid battery!