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12V 334Ah (4.28kWh) Essential Series - Bluetooth & Heated LiFePO4 Battery
The Epoch 12V 334Ah (4.28kWh) Essential Series - Bluetooth & Heated 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, 334ah, 4.28kwh, and essential 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, 334Ah, 4.28kWh, and Essential Series
- Best-use applications: solar and off-grid power and backup energy storage
- Notable features: Bluetooth monitoring support and built-in heating for cold-weather charging support
- SKU: 12334A-MC
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 334Ah (4.28kWh) Essential Series - Bluetooth & Heated LiFePO4 Battery | |
| Model SKU | 12334A-MC |
|---|---|
| MODEL | |
| Product Type | Battery |
| ELECTRICAL | |
| Series | Essential Series |
| Battery type | Heated Bluetooth deep-cycle LiFePO4 battery |
| Chemistry | LiFePO4 / Lithium iron phosphate |
| Cell configuration | 4S1P |
| Nominal voltage | 12.8V |
| Nominal capacity | 334Ah |
| Energy stored | 4.28kWh |
| Operating voltage range | 10.0V – 14.6V |
| Maximum charge voltage | 14.6V |
| Max continuous discharge | 300A |
| Max continuous charge current | 300A per product specification table; product copy also lists 150A max continuous charge |
| Recommended charge rate | 50% of battery or battery-bank capacity |
| Max discharge peak current | 600A @ 10 seconds |
| Series connections | Not supported / not listed for this 12V model |
| Parallel connections | Max 16 batteries in parallel |
| System design note | Use matched batteries of the same model, age, capacity, and state of charge |
| Bulk / absorption voltage | 14.2V – 14.6V |
| Float voltage | 13.4V – 13.8V |
| BMS high voltage cutoff | 14.6V |
| Battery Features | Bluetooth monitoring, Self-heating, LiFePO4 chemistry |
| CONNECTIONS | |
| Victron communications | Yes — battery-bank communication support for compatible Victron systems |
| Terminal type | M10 female |
| PHYSICAL | |
| Length | 15.35 in / approx. 38.99 cm |
| Overall dimensions | 15.35 in L × 8.07 in W × 11.02 in H |
| Weight | 75 lbs / approx. 34.02 kg |
| Case material | Metal |
| Enclosure protection | IP21 — optimized for protected indoor use |
| OPERATING LIMITS | |
| Cycle life | 4,500+ cycles |
| Charge temperature range | -20°C to 55°C / -4°F to 131°F, with heating |
| 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 |
| Battery charge temperature range | 0°C to 55°C / 32°F to 131°F once cells are at charging temperature |
| Battery discharge temperature range | -20°C to 60°C / -4°F to 140°F |
| Overcharge protection | Yes |
| Over-discharge protection | Yes |
| Short-circuit protection | Yes |
Frequently Asked Questions
Clear answers to common questions about this product, setup, compatibility, and use.
