TECMATE Optimate™ Lithium LFP 4S 10A Battery Charger

10-step 12.8V 10A sealed battery saving charger and maintainer. The fastest professional battery charger for 12.8V/13.2V (LiFePO4/LFP) performance/race batteries. Includes a TUNE mode for diagnostics or updating programming. Automatically and safely charges, tests and maintains LiFePO4/LFP or deep cycle batteries. Ampmatic charge control adjusts current to match battery size and condition. Low-volt start of 0.5V. Pushbutton-activated BMS wakeup mode safely wakes battery out of sleep mode or low discharge. Smart, 24/7 interactive maintenance prevents discharge from connected circuitry.