Epoch Batteries 12V 334Ah Essential Series – Bluetooth & Heated LiFePO4 Battery
Epoch Batteries 12V 334Ah (4.28kWh) Essential Series is a modular LiFePO4 energy storage solution engineered for high‑demand off‑grid installations, marine and RV applications, and critical-load backup. The internal heating system enables charging in sub‑zero conditions, while Bluetooth connectivity provides real‑time monitoring via iOS and Android apps. The system forms a robust, scalable data network as banks increase, with seamless integration through Victron communications.
Core specifications
- Chemistry: LiFePO4
- Cell configuration: 4S1P
- Nominal voltage: 12.8V
- Capacity: 334Ah; Energy: 4.28kWh
- Max continuous discharge: 300A; Peak discharge (10 s): 600A
- Max continuous charge current: 300A
- Series/Parallel: Up to 16 in parallel
- Weight: 75 lb; Dimensions: 15.35" L × 8.07" W × 11.02" H
- Operating voltage range: 10.0–14.6V; Max charge voltage: 14.6V
- Charge temperature range: -20°C to 55°C (with heating)
- Discharge temperature range: -20°C to 60°C
- Storage temperature: 0°C to 35°C
- Cycle life: 4,500+ cycles; Maintenance-free
- Warranty: 11-year manufacturer
System performance and connectivity
- Bluetooth: iOS and Android apps for remote monitoring and control
- Victron communications: automatic master-battery detection with no manual configuration; data is passed through the chain for a scalable, unlimited cross-bank network
Safety and protection
- Overcharge and over-discharge protection
- Overcurrent and short-circuit protection
- High and low temperature disconnects
Installation, maintenance and service
- Maintenance-free operation; suitable for bank configurations up to 16 in parallel
- Installation and safety guidelines are provided in the user manual; proper mounting and connections should follow Epoch specifications
Warranty and support
11-year manufacturer warranty accompanies the Essential Series, with manufacturer-backed service options and replacements as applicable.
Epoch Batteries 12V 334Ah (4.28kWh) Essential Series - Bluetooth & Heated LiFePO4 Battery
- LiFePO4 Chemistry
- HEATED - Internal heating allows for charging in sub-zero conditions
- BLUETOOTH - iOS and Android Apps
- 2A ACTIVE BALANCING - automatically detecting and correcting voltage differences between cells to keep performance smooth and consistent.
- VICTRON COMMS - The system automatically detects the master battery, eliminating the need for manual configuration. Each battery passes communication through to the next, forming a robust and scalable data network. Communication across the battery bank is unlimited, enabling full visibility and control.
- 300A Max Continuous Discharge
- 600A @ 10s - Peak Discharge
- 150A Max Continuous Charge
- Over charge and over discharge protection
- Over current and short circuit protection
- High & low temperature disconnects
- Max (16) in Parallel
- 4,500+ Cycle life & Maintenance-free
- 11 Year Manufacturer Warranty
Technical Specs:
Configuration
Cell Configuration: 4S1P
Chemistry: LiFePO4
Current
Ah Capacity: 334Ah
Max Continuous Discharge Amps: 300A
Max Charge Current Amps: 300A
Max Discharge Peak Current Amps: 600A (10 Seconds)
Series | Parallel: Max (16) in Parallel
Voltage
Voltage: 12.8V
Max Charge Voltage: 14.6V
Operating Voltage Range: 10.0 - 14.6V
Temperature
Charge Temp Range: -20°C (-4°F) / 55°C (131°F) (with heating)
Discharge Temp Range: -20°C (-4°F) / 60°C (140°F)
Storage Temp: 0°C (32°F) / 35°C (95°F)
Weight: 75 (LBS)
Dimensions
Length: 15.35" (inches)
Width: 8.07" (inches)
Height: 11.02" (inches)