Leave your battery plugged in for as long as you want - you're protected from overcharge and damage thanks to NOCO's internal regulatory system and safeguards. In fact, the GENPRO10X2 provides ongoing maintenance after achieving a full charge AND can detect damaged or sulfated batteries to automatically repair them! No complicated user intervention is required. Versatile Charging in One Place Charge a litany of batteries thanks to the advanced options on the GENPRO10X2! With the ability to charge 12V SLA, AGM, or lithium batteries, you can power up all of your equipment, from golf carts to boats, lawnmowers, ATVs, and more. Force mode increases your options by giving you the ability to charge dead batteries with less than 1 volt of charge. Be unstoppable with one fabulous on-board charger! Exceptional Waterproofing for Extreme Conditions Your GENPRO10X2 is rated IP68 waterproof, making it the perfect charger for your boats and other outdoor equipment. With a straightforward mounting system, it will function in any direction, even upside down. The added anti-vibration backing will isolate shock, providing protection and longevity in any application. Trust the integrity of your product no matter where you find yourself!