TecMate OptiMate Lithium 4s 10A Battery ChargerThe TecMate OptiMate Lithium 4s 10A isn't just a charger, it's an advanced power management system specifically engineered for your 12.8V/13.2V LiFePO4 / LFP batteries. Built for you serious gearheads, it's got a TUNE mode for diagnostics or up-dating programming. If you're the type who demands peak performance from your ride, this is the ultimate lithium charger to keep your lightweight powerhouse primed and ready to unleash pure power on the track. Get charged, get ahead!Features: The fastest professional battery charger for Lithium 12.8V/13.2V(LiFePO4/LFP) performance/race batteries 10-step 12.8V 10A sealed battery saving charger and maintainer 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 Can be used indoor / outdoor lowest temperature-40°F / -40°C Global input (100-240V 50-60Hz), high efficiency (CEC listed) Smart, 24/7 interactive maintenance prevents discharge from connected circuitry