ESTIMATED RUN TIME: The MR107 will power a 55lb motor continuously for: 7.3 hours at low speed, 4.4 hours at medium, and 1.5 hours at max speed 12V 85Ah; Reserve Capacity: 160min ; Dimensions: 10.2"Lx6.6"Wx8.5"H (Height includes terminals) Weight: 55lb; 8mm terminals Maintenance Free Operation: There is no need to check specific gravity of the electrolyte or add water to VMAXTANKS. Can be mounted in any position Rechargeable Sealed battery resists shocks and vibration. High performance AGM technology for long lasting reliable power Warranty: 1 Year replacement; 30 day satisfaction guarantee VMAX MR107-85 12V 85Ah AGM deep cycle marine battery compatible with 12 volt 30-55lb thrust electric trolling motors. BCI group 24 deep cycle marine battery can deliver current surges when needed. Safe and maintenance free AGM batteries are built tough for tough applications. It is ideal for powering marine trolling motors and for powering onboard electronics. Batteries can be wired in series for 24V, 36V, and 48V in parallel for higher capacities. Designed to maximize resistance to shocks and vibrations. The electrolyte is absorbed by the absorbed glass mat (AGM) between the VMAX plates, so this VMAX battery is classified as “non-spillable and non-hazardous.”