12V 314Ah (4.02kWh) - Eco Series LiFePO4 Battery
The Epoch 12V 314Ah (4.02kWh) - Eco Series LiFePO4 Battery gives customers a lithium iron phosphate power option for solar and off-grid power and backup energy storage. It is a strong fit for shoppers comparing dependable LiFePO4 batteries for cleaner energy storage, lighter maintenance, and a more modern replacement path than traditional lead-acid battery setups.
Use this model when you need a 12v, 314ah, 4.02kwh, and eco series that can support mobile, marine, golf cart, backup, or off-grid electrical systems depending on the installation. The description is written for real-world buying decisions: voltage, capacity, fitment, monitoring features, and charging compatibility should all be checked against your existing equipment before purchase.
- Core configuration: 12V, 314Ah, 4.02kWh, and Eco Series
- Best-use applications: solar and off-grid power and backup energy storage
- SKU: 12314-ECO
- Availability note: This item may be listed as pre-order or supplier-restock dependent. Confirm current availability before planning an install date.
For the best long-term setup, pair this battery with the correct charger, cable sizing, fusing, and voltage-compatible equipment. When comparing models, focus on usable capacity, system voltage, communication features, installation space, and how the battery will be charged day to day.
| 12V 314Ah (4.02kWh) - Eco Series LiFePO4 Battery | |
| Model SKU | 12314-ECO |
|---|---|
| MODEL | |
| Product Type | Battery |
| ELECTRICAL | |
| Series | Eco Series |
| Battery type | Deep-cycle LiFePO4 battery |
| Chemistry | LiFePO4 / lithium iron phosphate |
| Cell type | Prismatic LiFePO4 |
| Cell configuration | 4S1P |
| Nominal voltage | 12.8V |
| Nominal capacity | 314Ah |
| Stored energy | 4.02kWh |
| Operating voltage range | 10.0V – 14.6V |
| Maximum charge voltage | 14.6V |
| Max continuous discharge | 250A |
| Max continuous charge | 250A |
| Recommended charge | 0.5C / approx. 157A |
| Peak discharge | 750A @ 5 seconds |
| Series connections | Max 4 batteries in series, up to 48V |
| Parallel connections | Max 16 batteries in parallel |
| Maximum parallel bank | 5,024Ah / 64.32kWh |
| IP rating | IP54 |
| Bulk / absorption voltage | 14.2V – 14.4V |
| BMS high-voltage cutoff | 14.6V |
| SoC recalibration | 14.6V |
| Cell compliance | UL 1642 cells, UL 9540A cells, IEC 62619:2022 |
| Battery Features | LiFePO4 chemistry |
| CONNECTIONS | |
| Terminal | M8 bolt / verify supplied torque |
| Transport | UN 38.3, Class 9 |
| PHYSICAL | |
| Battery group size | Group 31 |
| Base length | 13.75 in |
| Length at handles | 15.5 in |
| Weight | 57 lb / approx. 25.85 kg |
| Case material | ABS and PC blend, UL94-V0 |
| OPERATING LIMITS | |
| Cycle life | 4,500+ cycles |
| Charge temperature range | 0°C to 55°C / 32°F to 131°F |
| Discharge temperature range | -20°C to 60°C / -4°F to 140°F |
| Recommended storage temperature | 0°C to 35°C / 32°F to 95°F |
| Temperature compensation | 0mV/°C / none |
Frequently Asked Questions
Clear answers to common questions about this product, setup, compatibility, and use.



