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Polymer Li-Ion Battery: 11.1V 1800mAh (19.98Wh, 425085-2C)

Your Price: From $44.95 to $46.45
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...


  • 11.1V 1800 mAh Polymer Li-Ion technology made by 3 pcs  Polymer Li-Ion cell of Polymer Li-Ion Cell 3.7v 1800mAh (PL-425085-2C) with PCB ready
  • Paralleled connect two such module, can build a 11.1V  5Ah Battery pack with 5 Amp discharging rate.


11.1v (working)   12.6V ( peak)


1800mAh  ( 3S)

Max. Discharging rate



One PCB (4.0A limit )  installed with the  battery pack, which will protect battery from
  • Over-charging       (12.6V)
  • Over-discharging  ( < 9V)
  • Over-drain ( > 4.0Amp)
  • Short circuit
  • Wrong polarity


  • PL-425085-3S-WR:  4.0" long 24AWG wire and wrapped by PVC
  • PL-425085-3S-WR-V1: 4.0" 24AWG wire with BEC Female connector
    • Pin 1 = -
    • Pin 2 = +


4.3oz (122 g)


  • 87mm x 52mm x 17mm (3.4" x 2" x 0.67")

Related Product

You may choose our smart charger below to recharge this battery module 


  • Li-Ion battery may explode if misused.  We are not responsible for any damages or losses caused by misuse (including but not limited to: improperly charging/discharging, any changes of this battery pack, mis-assembling battery packs).
  • Always charge battery with attention.  Battery pack shall 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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