TecMate OptiMate Pro-4 DUO Battery Charger The TecMate OptiMate Pro-4 DUO Battery Charger stands as a formidable solution for serious battery maintenance needs. Designed to charge and maintain four 12V batteries at once, it suits both high performance starter and deep-cycle batteries. This professional grade charger optimizes performance and prolongs battery life, making it essential for those who prioritize excellence in their vehicle's upkeep. Features: Ideal for 12V lead-acid (Std / AGM / Gel) batteries lithium 12.8V / 13.2V LiFePO4 batteries and new Pb & LFP batteries without BMS Activate or prepare new batteries within one hour, including Pb (lead-acid, dry-charged Agm) with separate acid pack, factory activated Pb (Agm & Gel) and LFP lithium delivered in sleep mode and/or requiring a top up charge Automatically save any type of deep discharged battery from as low as 0.5 Volts, additionally for LFP lithium, manually reset the protective BMS and save from zero Testing during charging to confirm if battery is safely recoverable, followed by a state of health (S.o.h.) test to confirm if battery is serviceable 4 fully independent 5 Amp charging stations/banks, each with 3 selectable modes to service new and used powersport batteries Each bank delivered with a replaceable output cord and fused battery clip set, AC power cord is replaceable/exchangeable State of health test for Good (80 - 100), OK (60 - 80) or BAD (below 60) batteries 24-7 Optimate maintenance keeps battery at 100 until ready to be used Lithium: push-button battery management system (Bms) reset Global (100-240V 50-60Hz), high efficiency Includes Class II AC cord, charge lead extender 72 and fused battery clips