Power your trolling motor with confidence using the Millertech 36V 60AH Marine Trolling Lithium Battery, a high-capacity LiFePO4 system that delivers more runtime with less weight. At 2304Wh, this battery replaces three Group 27 lead acid batteries while shedding over 50% of the weight, giving you more space and easier handling on the water. Its flat voltage discharge curve ensures steady, consistent output for longer periods, while Bluetooth connectivity links directly to the Millertech App for real-time monitoring and data tracking. Sized to BCI Group 31, the battery features large heavy-duty terminals to prevent heat buildup during demanding use and a custom-molded reclosable case with strap grooves for secure mounting and long-term serviceability. Sealed with a thick rubber gasket and equipped with a marine-grade stainless steel breather vent, the Sport Series meets IP65 marine standards while preventing condensation and protecting against water and debris. Built for lasting performance and designed with accessible serviceability, this battery gives anglers the assurance of reliable power season after season. 36V 60AH (2304Wh) LiFePO4 marine trolling battery, BCI Group 31 Replaces three Group 27 lead acid batteries at over 50% less weight Flat voltage discharge curve delivers consistent power longer Bluetooth monitoring via Millertech App for real-time data Custom heavy-duty reclosable case with strap grooves for secure mounting Large heavy-duty terminals prevent heat buildup under heavy load Marine-approved IP65 rating with stainless steel breather vent Specifications: Capacity: 60AH Voltage: 38.4V BMS: Yes Chemistry: LFP Efficiency: 98% Memory: None Max Charge/Voltage: 43.2V Cut-off Voltage: 33V Max Charge/Discharge Current: 50A Peak Discharge Current: 150A Operating Temp: -4AdegF - 140AdegF Group Size: 31 Low Temp Charging Protection: Yes Cell Type: Prismatic Bluetooth: Yes Size: 12.92" x 6.78" x 8.75" Weight: 41.23 lbs. Manufacturer's 10 year warranty Quantity per pack: 1