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Custom Polymer Li-Ion Battery: 7.4V 4250mAh (31.45Wh, 5A rate, 5567100-2C) battery - UN38.3 Passed

Option 2: 6" 22AWG with Molex (Digikey#455-2266-ND)Option 3: 1" 22AWG with Molex (Digikey#455-2266-ND)
Your Price: see Notes - not for resales!
Lead Time: 5 Business Days

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Battery 7.4V 4250 mAh Polymer Li-Ion pack is  made by 2pcs  Polymer Li-Ion cell of 3.7V 4250mAh (5567100) in series connection
  • The battery pack is Wrapped by black thin PVC shrink tube
Voltage 7.4V (working)   8.4V ( peak)  5.5V ( cut-off)
Capacity 4250 mAh min. (31.45 wh)


  • 1x  PCM  (5A) installed with the  battery pack and protects the battery from
    • Ove-charge       (>12.6V)
    • Over-discharge  ( < 7.5 V)
    • Over-drain ( >  10 Amp)
    • Short circuits
Operation temperature

-20 oC - 50 oC

Charging Rate: Standard: 850mA, Max: 4250mA
Max. Discharging Rate 5A limited by PCB
Cycle Life > 500 cycles under 0.5C ( 2.1A) charging and discharging condition
Dimensions (LxWxH) 106mm(4.2") x 70mm(2.8") x12mm (0.5")
Weight 6.2oz (170 grams) 
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  • Li-Ion battery may explode if misused.  We are not responsible for any damages or losses caused by misuse (including but not limited to: mis-charging, mis-discharging, any changes of this battery pack, mis-assembling batterypack).
  • Always charge battery with attention.  Battery pack should be placed in a fireproof place to avoid any accidents.
  • Please check battery polarity before plugging battery into light. Never make wrong polarity connection.  Please check
  • California residents: Warning: Cancer and Reproductive Harm - See Prop 65 Warnings

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