Epoch 12V 172Ah Dual Purpose Cranking LiFePO4 Battery
A 12.8 V, 172 Ah Group 31 LiFePO4 battery that cranks an outboard with a 1,000 A pulse and runs house loads at 200 A, with Bluetooth and an IP65 case.
$899
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Specs
- Capacity2,000-2,999 Wh
- AC OutputNot applicable
- System Voltage12 V
- Panel PowerNot applicable
- Charge CurrentNot applicable
- Safety ListingClaimed only
- Cell TypeNot applicable
- Low-Temp ChargingLow-temperature cut-off
- Warranty10 Years
- MonitoringBluetooth built in
- Weight40.0 lb
The Epoch 12172A-DP is an Essential Series 12.8 V, 172 Ah dual-purpose LiFePO4 battery storing 2,202 Wh in a BCI Group 31 case of four prismatic cells in series (4S1P).
Its cranking BMS gives 1,000 A for up to 5 seconds for engine starting, which Epoch lists as about 1,000 CCA equivalent, and 200 A continuous discharge for house loads. It accepts 200 A continuous charge, with 86 A and 14.2-14.6 V recommended; Epoch's compatibility target is outboards up to 250 hp.
It has no heater: the battery is rated to charge from −5°C, but Epoch says to set chargers for 0 to 55°C, and it discharges at −20 to 60°C. Built-in Bluetooth feeds the Epoch Li-Ion app for iOS and Android. Series wiring is not approved; up to 4 can run in parallel for 688 Ah.
The IP65 case, an ABS and PC blend rated UL94-V0, measures 12.91 x 6.22 x 8.46 in (328 x 158 x 215 mm), has M8 female terminals and weighs 40 lb (18.14 kg).