12 volt Dual Purpose Group 31 Battery Order Now

Reliable dual-purpose lithium battery designed for both starting and deep cycle use, delivering 12V power with 172Ah capacity (2.20kWh) in a compact Group 31 size. Built with LiFePO4 technology for longer life, faster charging, and consistent performance on the water.

The Epoch 12 Volt 172Ah Dual Purpose LiFePO4 Battery is engineered to provide both high cranking power for engine starting and sustained deep cycle performance for onboard electronics and accessories. Built with lithium iron phosphate technology, this maintenance-free Group 31 battery combines long cycle life, advanced protection features, and Bluetooth connectivity for dependable marine power.

• 12-volt dual-purpose lithium iron phosphate (LiFePO4) battery.

• 172Ah capacity with 2.20kWh of available energy.

• Group 31 battery size.

• Designed for both engine starting and deep cycle applications.

• Delivers up to 1,000 Cold Cranking Amps (CCA).

• Provides 1,000-amp cranking capability for up to 5 seconds.

• Compatible with outboard motors up to 250 HP.

• Maximum continuous discharge current of 200 amps.

• Bluetooth connectivity supports battery monitoring through iOS and Android apps.

• Built-in Smart Battery Management System (BMS).

• Provides overcharge protection.

• Provides overdischarge protection.

• Provides overcurrent protection.

• Provides short circuit protection.

• High and low temperature disconnect protection.

• IP65-rated housing resists dust and water intrusion.

• Supports up to four batteries connected in parallel.

• Delivers more than 4,000 charge cycles under normal operating conditions.

• Maintenance-free design.

• Backed by an 11-year manufacturer warranty.

The Epoch 12 Volt 172Ah Dual Purpose LiFePO4 Battery delivers dependable starting power and long-lasting deep cycle performance in a compact Group 31 package. Its advanced lithium technology, integrated battery protection, and Bluetooth monitoring make it an excellent choice for demanding marine electrical systems.