The NOCO Genius2 2A Mountable Battery Charger and Maintainer features an integrated thermal sensor for improved battery life in addition to hyper-density technology. It is designed for 6V and 12V batteries up to 40Ah, including lead-acid, lithium, wet, gel, maintenance-free, EFB, AGM, and calcium batteries. The Genius2 also has four charge modes including 6V, 12V, 12V AGM, and 12V lithium. It is able to charge dead batteries as low as 1V with Force Mode which allows manual charging for extreme dead batteries. Genius2 also features the X-Connect OUT interchangeable connector to utilize the included battery clamps in addition to XConnect accessories.