TECMATE Lithium Battery Monitoring Lead O-127 O-127

Permanent power sport battery lead with integrated battery status / charge system monitor for 12.8 / 13.2V lithium, Monitor charge of your stored power sport vehicle lithium starter battery or confirm if the vehicle charging system is working correctly, 2 automatic Modes Battery charge level monitor (single LED blink mode) Charging system test (arrow mode), 3 LEDs display full to empty voltage range for 12.8V/13.2V Lithium batteries (LFP/LiFePO4/Lithium nano Phosphate); 4th LED warns when vehicle system or connected battery charger is OVERCHARGING!, Battery charge level : LED matching charge level blinks every 10 seconds (long term draw less than 0.2mA), Vehicle Charge system : LED arrow mode activates when charge voltage reaches effective lithium charge range of 14.2V 14.5V (v green LED), OVERCHARGE warning activates at 14.6V+, SAE charge port with weatherproof sealing cap