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Custom LiFePO4 26650 Battery: 9.6V 6600 mAh (63Wh, 24A rate, 26650-3300) battery pack

Your Price: From $99.38 to $102.38
Lead Time: 5 Business Days!

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*Important Shipping Regulation This pack is for testing (prototype) only. It has not been UN38.3 tested yet.  Read more...
Voltage 9.6 V (working)   11.7 V (peak)  6.0 V ( cut-off)
Capacity 6600 mAh (63Wh)
  • CU-J1039: Charging/Discharging Terminals: 6" 16 AWG open end wires
    • Red = Positive
    • Black = Negative
  • CU-J1039-V1: Charging/Discharging Terminals: 6" 14 AWG open end wires
    • Red = Positive
    • Black = Negative
    • Two 22AWG white wire connect to the 10K NTC
  • 2x PCB (12A limited) installed with the  battery pack and protects the battery from
    • Overcharge       (>11.7V)
    • Over discharge  ( <6.0V)
    • Over drain ( >12Amp)
    • Short circuits
Cycle Life   > 1000 cycles (80% of initial capacity @ 0.2C rate, IEC Standard)  
Charging rate 2.4A max.
Max. Discharging Rate 24Amp limited by PCB
Dimensions(LxWxH) 81mm (2.3") x  35mm (1.4") x 134mm (5.28")     
Weight 21oz (594grams) 


  • Replace 8.4V NiCd and NiMH battery packs for higher energy density
  • Calculate Burn time = 23Wh / Wattage of device.


  • 9V LiFePO4 battery pack shall be cut-off at 11.7V during charging and 6.0V during discharging  
  • Please click Knowledge on LiFePO4 battery to learn more details
  • California residents: Warning: Cancer and Reproductive Harm - See Prop 65 Warnings

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