12V 334Ah MC Essential Series LiFePO4 Battery (4.28kWh)
Pickup available at our Marathon storefront
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12V 334Ah MC Essential Series LiFePO4 Battery (4.28kWh) is backordered and will ship as soon as it is back in stock.
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Delivery and Shipping
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12V 334Ah MC Essential Series LiFePO4 Battery (4.28kWh)
12V 334Ah MC 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 van build with a massive 4.28kWh of energy in a single battery. The Epoch 12V 334Ah features Bluetooth, heating, and an 11-year warranty.
Features
- Victron CAN-bus: with a Cerbo GX or Ekrano GX the battery acts as the controlling BMS and sets charger limits through DVCC
- Internal heating film for charging in cold weather while a charger is connected
- Bluetooth monitoring with the Epoch Li-Ion app (iOS and Android)
- 2A active cell balancing
- BMS protection against overcharge, over-discharge, overcurrent, short circuit and high/low temperature
- 4,500+ cycle life
- Parallel only: 4 batteries validated, up to 16 with Epoch design support
- 11-year warranty (register within 90 days)
Specifications
| Epoch part number | 12334A-MC |
| Electrical | |
|---|---|
| Capacity | 334Ah (4,275Wh) |
| Nominal voltage | 12.8V |
| Max charge voltage | 14.6V |
| Operating voltage range | 10.0V to 14.6V |
| Max continuous discharge | 300A (150A recommended for daily use) |
| Peak discharge | 600A for up to 10 seconds |
| Max continuous charge | 300A |
| Recommended charge current | 167A (0.5C) |
| Series / parallel | Series not approved. Parallel: up to 4 batteries (up to 16 with Epoch design support) |
| Cells | Grade-A LiFePO4 prismatic, 4S1P |
| Cell balancing | 2A active |
| Cycle life | 4,500+ cycles |
| Charger settings | |
| Bulk / absorption | 14.2V to 14.4V |
| Absorption end | Current at or below C/20 (16.7A), or 15 minutes, whichever comes first |
| Float | Off (preferred), or 13.3V to 13.6V |
| Re-bulk | 13.2V |
| Equalization | Off |
| Temperature compensation | 0mV/°C (off) |
| Temperature | |
| Charging | -4°F to 131°F (-20°C to 55°C) with heating |
| Discharging | -4°F to 140°F (-20°C to 60°C) |
| Storage | 32°F to 95°F (0°C to 35°C) |
| Self-heating | Yes. The heater runs below 32°F (0°C) while a charger is connected (up to 60 minutes in deep cold); charging resumes above 41°F (5°C). |
| Physical | |
| Weight | 75 lb (34 kg) |
| Dimensions (L × W × H) | 15⅜ × 8 × 11 in (390 × 205 × 280 mm) |
| Terminals | M10 female, 115 to 150 in-lb (13 to 17 N·m) |
| Case | Powder-coated steel |
| Mounting | Upright only |
| Water resistance | IP21 (indoor, drip resistant, not weatherproof or submersible) |
| Bluetooth | Yes (Epoch Li-Ion app) |
| Communications | Victron CAN-bus (GX / DVCC), RJ45 |
| Certifications | UL 1642, UL 9540A, IEC 62619:2022, CE, RoHS, UN 38.3 |
| Warranty | 11 years |
| In the box | |
| In the box | One battery and two M10 stainless terminal bolts with washers (product page) |
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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