NOCO genius pro 50 Overview The NOCO Genius PRO 50 Multi-Voltage Battery Charger can jump-start 12V and 24V lead-acid automotive, marine, and deep-cycle batteries, including flooded, gel, AGM, and maintenance-free, plus lithium-ion batteries. For use with cars, trucks, RVs, tractors, aircraft, and other large vehicles and equipment, the Genius PRO comes with silicone-coated cables wrapped in braided nylon that are abrasion resistant and designed to be flexible in weather as cold as -40 F. The cables come with an integrated replaceable 35-amp ANL fuse, and the battery clips have integrated eyelets for permanent mounting to the battery.