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Custom LiFePO4 18650 Battery: 3.2V 2500 mAh (4A rate, 8Wh, 2E/E, K2 Cell)

Your Price: $25.00
Build to order

Product ID # 6537
Part Number:

Lead Time: 5 Business Days! Hazardous handling fee required*

Quantity Discounts

5 to 20$24.25
21 to 50$23.75
51 to 100$23.25
101 or more$22.50


*Important Shipping Regulation This pack is for testing (prototype) only. It has not been UN38.3 tested yet.  Read more...
Voltage 3.2 V (working)   3.8 V (peak)  2.5 V ( cut-off)
Capacity 2500 mAh
Prewired Charging/Discharging Terminals: 18" 22 AWG open end wires
  • 1x PCB (4A limited) installed with the  battery pack and protects the battery from
    • Overcharge       (>3.9V)
    • Over discharge  ( <2.0 V)
    • Over drain ( >4Amp)
    • Short circuits
Cycle Life >1000 (80% Capacity@ 0.2C rate, IEC standard )  
Charging rate 1.5A Max
Max. Discharging Rate 4 Amp limited by PCB
Dimensions(LxD) 138mm(5.4") x 23mm(0.9")
Weight 90 grams (3.4 Oz)


  • 3.2V LiFePO4 battery pack shall be cut-off at 3.8V during charging and 2.5V during discharging  
  • Please click Knowledge on LiFePO4 battery to learn more detail
  • California residents: Warning: Cancer and Reproductive Harm - See Prop 65 Warnings

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