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E3.401 - 320 CCA LiFePO4 Battery

SKU # e3.401
$ 365.00

Ultra-light battery weighs 3.9 pounds!


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Dollar for dollar E3 Lithium is the lightest, most powerful, most economical battery on the market today. E3.401 delivers 680 Pulse Cranking Amps with a capacity of 12.4 amp hours and weights in at just 3.9 pounds. Some of the performance benefits include:

  • 80% Lighter than traditional batteries
  • 3x Longer life than traditional batteries
  • Charges faster than traditional batteries
  • Delivers much quicker starts than traditional batteries
  • IP 66 Environmental Rating (pressure washer friendly)
  • Centered terminals allow mounting in any position
  • Environmentally friendly
  • 5 Year Warranty (see warranty page for details)

All E3 Lithium Batteries also feature a built-in Battery Management System. This system offers the following attributes to ensure years of trouble-free power delivery from your E3 Lithium Battery.

  • Over-Charge Protection
  • Over-Discharge Protection
  • Short Circuit Protection (up to 1,000 amps)
  • Excessive Cranking Protection
  • Built In Cell Balancing Technology

Brass terminal adapters are included with every E3.401 battery purchase.

NOTE: A lithium compatible battery charger is required in order to properly and safely charge your E3 Lithium Battery. We recommend OptiMate Lithium Chargers which you can purchase buy cliking the following link:

Click HERE to buy the OptiMATE Lithium Charger

All E3 Lithium Batteries are designed, engineered and manufactured right here in the USA using imported lithium cells.


Voltage: 13.2V

Pulse Crank Amps (PCA): 680A (3 sec @ 25 °C, voltage >9V)

Cold Crank Amps (CCA): 320A (modified SAE test, 3 sec@ 0°F, volts >7.2V)

Capacity: 12.4Ah @ 1C Rate

Weight: 3.9lb. (1.8Kg)

Capacity vs Temperature: 25 °C = 100% 0°C = 92% -30°C = 80%

Self-Discharge Rate: < 3% per month @ 25 °C

Continuous Discharge Amps: 100A

Standard Charge Voltage: 13.9 - 14.6 V

Maximum Charge Voltage: 15V

Recommended Charge Amps: .8 - 15A

Max Charge Amps: 60A (from vehicle charging system)

Life (Charge cycles, 80% depth of discharge): 4000 cycles @ 1C discharge rate, 25°C & 2000 cycles @10C discharge rate, 25°C

Life (Years): Up to 8 Years

Dimensions: 6.9”L x 3.4”W x 6.1”H (175mm x 86mm x 155mm)

Environmental Rating: IP 66 (safe to wash down with a high pressure washer)

Operating Temperature: -30 °C to +60 °C

Storage Temperature: -40 °C to +70 °C

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