OptiMATE MONITOR 127， Permanent power sport battery lead with integrated battery status / charge system monitor for 12.8 / 13.2V lithium.<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>Monitor charge of your stored power sport vehicle lithium starter battery or confirm if the vehicle charging system is working correctly!</li><li>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!</li><li>2 automatic Modes – Battery charge level monitor (single LED blink mode) &amp; Charging system test (arrow mode).</li><li>Model O-127 specs: L= 24″ / 60cm， 15A fuse， 1/4″ / M6 ringlets; 16AWG cable</li><li>SAE charge port with weatherproof sealing cap. TecMate. 3-year limited warranty.</li></ul></div><img src="http://ecx.images-amazon.com/images/I/4150-P9bqkL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41Nh5oSeYoL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41mYRrNWFBL.jpg" noproxy>