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Polymer Li-Ion Battery: 11.1V 4250mAh (47.17Wh, 4A rate, 5567100-2C) battery - UN38.3 Passed

Option 1: Without Fuel Gage
Option 1: Without Fuel GageOption 2: With Fuel GaugeOption 3: with Fuel Gauge Separate
Your Price: From $74.95 to $80.95
Lead Time: 5 Business Days

Product Options

Fuel Gauge:
  • 11.1V 4250 mAh Polymer Li-Ion pack is  made by 3pcs  Polymer Li-Ion cell of 3.7V 4250mAh (5567100) in series connection
  • Fuel Gauge Option:
    • Option 1: without fuel gauge. The battery is wrapped by black thin PVC.
    • Option 2: with Fuel Gauge display installed in outside pack to show battery energy level. The battery is wrapped by heavy duty PVC
    • Option 3: with Fuel Gauge display, with 10" wire, but not attached on the battery. The battery is wrapped by thin black PVC
Voltage       11.1V (working)   12.6V ( peak)  8.25V ( cut-off)
Capacity       4250 mAh min. (47.17 wh)


  • 1x 4.2 Amp polyswitch
  • 1x PCM  (10A) installed with the  battery pack and protects the battery from
    • Ove-charge / Over-discharge / Over-drain / Short circuits

       Charging / Discharging Terminals: 6"  length 18 AWG wires without connector

Operation temperature

       -20 oC - 50 oC

Max. Discharging Rate        4 A limited by polyswitch
Cycle Life         > 500 cycles under 0.5C ( 2.1A) charging and discharging condition
Dimensions (LxWxH)        106mm(4.2") x 70mm(2.8") x23mm (0.91")
Weight        9.6oz (270 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, disassembling battery pack).
  • Always charge battery with attention.  Battery pack shall be placed in a fireproof place to avoid any accident.
  • Please check battery polarity before plugging battery into light. Never make wrong polarity connection.  Please check
  • Please also read our safety warnings
  • California residents: Warning: Cancer and Reproductive Harm - See Prop 65 Warnings

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