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Alpha Series Lithium Battery – 12V – 180AH – Group 31The Pro-Guide PGL31M180-DP is a dual-purpose lithium battery delivering reliable power with 180 amp-hours (2304 watt-hours). Built with an IP67 waterproof case, robust 200-amp BMS, Bluetooth connectivity, and the innovative Pro-Boost mode reserving 20% capacity, this battery is perfect for demanding marine and outdoor applications, providing both starting power and deep-cycle energy.Specifications:Group Size: 31Voltage: 12Cold Cranking Amps (CCA): PbEq 1000 CCAMarine Cranking Amps (MCA): N/AAmp Hours: 180AHWatt Hours: 2304WHCharge Current (Standard/Max): 10-36A / 90ATerminal Type: 3 x Internal Thread (M8)Weights: 41.89 lbsLength: 13.07″Width: 6.93″Height: 8.9″Bluetooth: EnabledHeating: EnabledNMEA2000: Compatible Brochure (pdf)