Description
Epoch 36V 50Ah Essential LiFePO4 Battery
The Epoch 3650A-H is a compact Essential Series lithium iron phosphate battery for compatible 36V trolling-motor, marine and deep-cycle systems. It provides 50Ah / 1.92kWh at a nominal 38.4V in a Group 31 footprint, with internal heating and Bluetooth monitoring through the Epoch app.
Epoch lists 100A maximum continuous discharge, 50A maximum continuous charge and a 130A peak-discharge rating for up to 10 seconds. Its IP65 enclosure is dust-tight and water-jet resistant, but it is not submersible. This battery may be expanded with up to four matched units in parallel; do not wire it in series.
Verified manufacturer specifications
- Model: 3650A-H
- System voltage: 36V class / 38.4V nominal
- Capacity: 50Ah / 1.92kWh
- Chemistry: LiFePO4
- Maximum continuous discharge: 100A
- Maximum continuous charge: 50A
- Peak discharge: 130A for up to 10 seconds
- Internal heating and Bluetooth monitoring
- IP65 enclosure rating
- Group 31 footprint; parallel only up to four matched batteries
This listing is for one battery only. Verify Group 31 tray fit, terminal access, wiring, fusing, charger profile and continuous-load requirements before purchase or installation.






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