Description
This EPOCH 12-volt, 172 Ah lithium iron phosphate (LiFePO4) battery is built for trolling-motor runtime and engine starting. It is rated at 1000 cold cranking amps, so check your engine maker’s minimum cranking spec against that number. At roughly 40 lb, it takes meaningful weight out of the boat compared with a lead-acid battery of similar usable capacity. The case follows a BCI 31 footprint; confirm your tray size and terminal orientation before you buy. Bluetooth monitoring lets you check state of charge from a phone app; IP65 sealing (dust-tight and protected against water jets) helps it shrug off spray. Pair it with a charger that offers a LiFePO4/lithium charge profile.
Highlights
- 12 V, 172 Ah LiFePO4
- 1000 CCA
- BCI 31 footprint
- 40 lb
- Bluetooth app monitoring
- IP65 rated
- 11 year warranty
- Best for: Trolling Motor, Cranking, Dual Purpose, House Bank
Specifications
| Brand | EPOCH |
|---|---|
| Model / SKU | 12172A-DP |
| Nominal voltage | 12 V |
| Capacity | 172 Ah |
| Chemistry | Lithium iron phosphate (LiFePO4) |
| Cold cranking amps (CCA) | 1000 |
| BCI group size | 31 |
| Dimensions (L × W × H) | 12.91 × 6.22 × 8.46 in |
| Weight | 40 lb |
| Bluetooth monitoring | Yes |
| Internal heating (cold-weather charging) | No |
| Ingress protection | IP65 |
| Warranty | 11 year |
| Max continuous discharge | 200A |
| Peak discharge / cranking | 1,000A @ 5 seconds, cranking only |
| Cranking capability | Approx. 1,000 CCA equivalent |
| Max continuous charge current | 200A |
| Cycle life | 4,000+ cycles |
| Stored energy | 2.20kWh |
| Series / parallel | Max 4 batteries in parallel; series wiring is not approved for this model |
| Terminal type | M8 female |
| Enclosure protection | IP65 dust / water resistance |
| Charge temperature range | -5°C to 55°C / 23°F to 131°F |
Specs are from the manufacturer. Check your boat’s battery compartment, terminal layout and charging system before you order.
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