Description
Product Description
The 12V 300Ah Pro Series LiFePO4 Battery is a high-capacity dual-purpose solution designed for both cranking and deep cycle applications. Whether you’re powering a demanding off-grid system or starting a high-output engine, this Group 8D battery delivers exceptional performance and reliability in extreme environments.
With 3,840Wh of energy, 300A of continuous discharge, and an industry-leading 1,000A surge rating for 5 seconds, this battery is built to handle heavy electrical loads without sacrificing longevity. Integrated Bluetooth connectivity allows real-time monitoring of voltage, current, SOC, and temperature, while the built-in heater ensures reliable cold-weather charging down to -4°F.
Fully sealed with an IP67 waterproof rating and rated for over 6,000 cycles at 80% depth of discharge, this battery is a true drop-in upgrade for RVs, marine setups, and off-grid systems requiring robust cranking power and long-lasting deep cycling capability.
Key Features:
- Dual Purpose: Engine cranking + deep cycle use in one battery
- High Surge Capability: 1000A @ 5 seconds for engine starts
- Bluetooth Monitoring: Track performance in real-time
- Heated for Cold Weather: Safe charging down to -20°C
- IP67 Waterproof: Fully sealed for marine and harsh environments
- Expandable System Design: Up to 4S/4P configuration supported
- Long Life: Over 6,000 cycles at 80% DoD
This product ships separately from EXPLORIST.life components. This product ships from Epoch’s warehouse.
EPOCH 12V 300Ah Pro Series LiFePO4 Battery TECHNICAL SPECS (click to expand)
- Nominal Voltage: 12.8V
- Nominal Capacity: 300Ah
- Charging Voltage: 14.2V
- Maximum Charging Current: 300A
- Maximum Discharge Current: 300A
- Discharge Cut-off Voltage: 11~11.6V
- Communication: Bluetooth, CAN, RS485
- Heating Function: Yes (charge down to -20°C)
Additional Specifications found HERE.
User Manual found HERE.
Limited Warranty
Please view the details of Epoch’s Limited Warranty HERE.





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