12V 100Ah Eco Series LiFePO4 Battery (1.28kWh)

Epoch 12V 100Ah Essential LiFePO4 Battery – 1.28kWh

Lightweight. Reliable. Built to Expand.

Upgrade your marine, RV, or off-grid power system with the Epoch 12V 100Ah Essential LiFePO4 Battery. Delivering 1.28kWh of usable energy in a compact BCI Group 24 footprint, this battery provides the power and efficiency of lithium without the weight and maintenance associated with traditional lead-acid batteries.

At just 21 lbs, it weighs a fraction of a comparable lead-acid battery while delivering an impressive 4,500+ charge cycles.

Key Features

1.28kWh of Reliable LiFePO4 Power
Premium LiFePO4 chemistry provides a lightweight, high-efficiency energy storage solution in a familiar Group 24 footprint.

Lightweight, Drop-In Replacement
At only 21 lbs, this battery is significantly lighter than a comparable lead-acid battery, making installation and handling easier.

Flexible System Expansion
Build your system as your power needs grow. Connect up to 4 batteries in series for 24V, 36V, or 48V systems, and up to 16 batteries in parallel for a maximum potential system capacity of 20.48kWh.

Advanced Smart BMS
The integrated Battery Management System provides 20+ protective functions, including protection against overcharging, over-discharging, over-current conditions, short circuits, and temperature extremes.

Cold-Weather Charge Protection
The battery automatically disconnects charging when temperatures fall below 32°F (0°C), helping prevent permanent cell damage from charging lithium batteries in freezing conditions.

IP54 Weather Protection
The battery enclosure is rated IP54, providing protection against dust and light water exposure for typical outdoor and marine applications.

4,500+ Charge Cycles
LiFePO4 chemistry provides exceptional cycle life compared with traditional lead-acid batteries, helping reduce long-term replacement and maintenance costs.

6-Year Manufacturer Warranty
Epoch backs the battery with a 6-year manufacturer's warranty for added peace of mind.

Specifications

Battery Configuration

• Chemistry: LiFePO4

• Cell Configuration: 4S1P

• Nominal Voltage: 12.8V

• Capacity: 100Ah

• Energy: 1.28kWh

• Max Continuous Discharge: 100A

• Max Charge Current: 100A

• Max Discharge Peak: 300A for 5 seconds

• Series Connection: Up to 4 batteries

• Parallel Connection: Up to 16 batteries

Voltage

• Nominal Voltage: 12.8V

• Max Charge Voltage: 14.6V

• Operating Voltage Range: 10.0–14.6V

Temperature

• Charge Temperature: 32°F–131°F (0°C–55°C)

• Discharge Temperature: -4°F–140°F (-20°C–60°C)

Physical Specifications

• Weight: 21 lbs

• Length: 10.25"

• Width: 6.75"

• Height: 9.0"

• Footprint: BCI Group 24

Recommended Charging Parameters

For systems using an external LiFePO4 charger, the following charging parameters are recommended:

• Bulk/Absorption: 14.2–14.4V

• Absorption End Condition: Stop when charge current reaches ≤ C/20 or after 15 minutes maximum

• Float: Disabled (preferred), or 13.3–13.6V

• Re-Bulk: 13.2V

• Temperature Compensation: 0 mV/°C (none)

• Equalization: Disabled

• BMS High-Voltage Cutoff: 14.6V

• SoC Recalibration: 14.6V

Installation & Compatibility

This battery uses a BCI Group 24 footprint, but Group 24 dimensions are not completely standardized across every battery manufacturer. Always verify your battery tray dimensions and terminal configuration before installation.

Before installation, confirm that your charging equipment, wiring, overcurrent protection, and other system components are compatible with LiFePO4 batteries and the battery's specified operating parameters.

For marine, RV, and off-grid applications, proper system design is important to ensure the battery is safely and correctly integrated with your charging and electrical equipment.

What's Included

• Epoch 12V 100Ah Essential LiFePO4 Battery

• Manufacturer documentation

Need help choosing the right lithium battery for your boat? Contact Direct Current Boatworks and we can help you determine the appropriate battery capacity, charging equipment, wiring, and system configuration for your application.