MarCum realizes that there are certain systems designed for open-water which are also run on ice. These units typically have a higher power draw designed for deep cycle batteries. The MarCum King Lithium LiFePO4 at 12V18AH delivers deep cycle perfor-mance in a compact, portable form-factor. The MarCum King is equipped with a BMS circuit that protects the battery from overcharge, over dis-charge, and short circuiting. The performance doesn’t stop there, as the MarCum King kit is equipped with a multi-stage charger for fast initial charge, reduced-charge near full, and a maintain charge cycle to prevent overcharging. The MarCum King kit comes complete with battery, 6 AH charger, and fused charging cable. As a sportsmen, you rely on these power options to fuel your passion for the outdoors. You can trust MarCum as all of our Lithium and LiFeP04 products are tested and certified to an international quality and safety stand-ard.