OPTIMATE LITHIUM 4S 10A

10-step 12.8V 10A sealed battery saving charger and maintainer The fastest professional battery charger for 12.8 V/13.2 V 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 Push button-activated BMS wakeup mode safely wakes battery out of sleep mode or low discharge Smart, 24/7 interactive maintenance prevents discharge from connected circuitry IP54 weatherproof