12V 334Ah Essential Series LiFePO4 Battery (4.28kWh)
Pickup available at our Marathon storefront
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12V 334Ah Essential Series LiFePO4 Battery (4.28kWh) is backordered and will ship as soon as it is back in stock.
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12V 334Ah Essential Series LiFePO4 Battery (4.28kWh)
12V 334Ah Essential Series LiFePO4 Battery (4.28kWh) is backordered and will ship as soon as it is back in stock.
Description
Description
Why we carry Epoch: an American company that stands behind its batteries, answers the phone, and offers real tech support for boat and RV owners. Read why we buy Epoch
Power your RV or marine setup with our Epoch 12V 334Ah lithium battery. Get 4.27kWh of reliable off-grid power, Bluetooth app monitoring, and a smart BMS.
Features
- 4.28kWh stored energy in a BCI Group 31 footprint
- Internal heating powered by the charger warms the cells so it can charge in freezing weather
- Bluetooth monitoring in the Epoch Li-Ion app (iOS and Android), with a built-in BMS shunt
- 200A continuous discharge, 400A peak for up to 3 seconds
- 4,000+ cycle life
- BMS protection against overcharge, over-discharge, overcurrent, short circuit and high/low temperature
- Expandable to 4 in series and 16 in parallel
- IP54 dust- and splash-resistant case (not submersible)
Specifications
| Epoch part number | 12334A-H |
| Electrical | |
|---|---|
| Capacity | 334Ah (4,275Wh), rated at 0.2C |
| Nominal voltage | 12.8V |
| Max charge voltage | 14.6V |
| Operating voltage range | 10.0V to 14.6V |
| Max continuous discharge | 200A |
| Peak discharge | 400A for up to 3 seconds |
| Max continuous charge | 200A |
| Recommended charge current | 167A (0.5C) |
| Series / parallel | Up to 4 in series, up to 16 in parallel (max 4S16P, 5,344Ah) |
| Cells | Prismatic LiFePO4, 4S1P |
| Cycle life | 4,000+ cycles |
| Cold cranking amps | Not cranking-rated |
| Charger settings | |
| Bulk / absorption | 14.2V to 14.4V; end at C/20 (16.7A) or 15 min |
| Float | Disabled (preferred) or 13.3V to 13.6V |
| Re-bulk | 13.2V |
| Equalization | Disabled |
| Temperature compensation | 0 mV/°C (off) |
| Temperature | |
| Charging | -4°F to 131°F (-20°C to 55°C) with heating; cells charge only at 32°F (0°C) and above, resuming at 41°F (5°C) |
| Discharging | -4°F to 140°F (-20°C to 60°C) |
| Storage | 32°F to 95°F (0°C to 35°C), recommended |
| Self-heating | Yes (powered by charge current of at least 0.5A) |
| Physical | |
| Weight | 60 lb (27.2 kg) |
| Dimensions (L × W × H) | 13¾ × 7⅝ × 10 in (349.3 × 193.8 × 254.0 mm); 15½ in (393.7 mm) long at handles, 10½ in (266.7 mm) high with terminal bolts |
| BCI group / footprint | Group 31 |
| Terminals | M8 threaded, 8–12 N·m (71–106 in-lb) |
| Water resistance | IP54 (splash resistant, not submersible) |
| Bluetooth | Yes, Epoch Li-Ion app (iOS and Android) |
| Warranty | 11 years |
From Epoch: Epoch datasheet (PDF) · Epoch product page
Specs are from Epoch's published datasheet. Confirm system voltage, charger settings, wiring and installation requirements before use.
Ships directly from Epoch Batteries.
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