MEGABOOST MB1100 Lithium Charger and Maintainer - Gray Charge fully drained lead-acid and lithium-ion batteries up to 40Ah. Includes most batteries for motorcycles, ATVs, and lawn mowers. Safely maintain a wide variety of automotive, marine, RV, power sport, lawn and garden, and deep-cycle batteries Cutting-edge technology delivers superior performance. Repair damaged batteries and use with micro-hybrid start-stop vehicles and CANBUS electrical systems Streamlined design that's ultra-compact, portable and incredibly lightweight. It features external mounting holes and a rubberized base that avoids surface slipping and scratches Impact- and water-resistant (IP65) as well as resistant to UV exposure. Stay safely connected 24/7. Monitors battery activity for safe and efficient charging, automatically minimizes energy consumption and includes spark-proof technology as well as protection from reverse polarity and overcharging. Intuitive LED indicators provide visual state-of-charge feedback and diagnostic information, even when in maintenance mode.