E3.404 - 135 CCA LiFePO4 Battery

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E3.404 - 135 CCA LiFePO4 Battery
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ITEM # : E3.404
Ultra-light battery weighs a scant 1.3 pounds!




Dollar for dollar E3 Lithium is the lightest, most powerful, most economical battery on the market today. E3.404 delivers 220 Pulse Cranking Amps with a capacity of 4 amp hours but weighs in at a scant 1.3 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 terminals adapters are available for purchase separately.

NOTE: A lithium compatible battery charger is required in order to properly and safely charge your E3 Lithium Battery. We recommend the OptiMate Lithium 4s10A TIM-275 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): 220A (3 sec @ 25 °C, voltage >9V)

Cold Crank Amps (CCA): 135A (modified SAE test, 3 sec@ 0°F, volts >7.2V)

Capacity: 4Ah @ 1C Rate

Weight: 1.3 lb. (.6Kg)

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

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

Continuous Discharge Amps: 40A

Standard Charge Voltage: 13.9 - 14.6 V

Maximum Charge Voltage: 15V

Recommended Charge Amps: .8 - 5A

Max Charge Amps: 20A (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: 4.5”L x 2.6”W x 3.7”H (113mm x 66mm x 95mm)

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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