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Custom Li-Ion 21700 Battery: 18V 4200mAh (75.6Wh, 30A rate, 5S/S)

Your Price: $273.00
Out of stock

Product ID # 13096
Part Number:

Lead Time: TBC
*Important Shipping Regulation This pack is for testing (prototype) only. It has not been UN38.3 tested yet.  Read more...
  • Custom Li-Ion 18.0V 4200mAh battery pack is build by 5 x INR21700-P42A cells in side by side configuration with 6 position battery holder.
  • Wrapped by Heavy duty shrink wrap
Voltage Nominal Voltage: 18.0V
Charge Cut off Voltage: 21V
Discharge Cut off Voltage: 13.75V
Capacity Nominal: 4200 mAh
  • 1x PCM(30A) installed with the battery pack and protects the battery from
    • Over charge, Over discharge, Over current. Short circuits
Terminal Options 6" 12AWG open wire
Charge Current Standard: 4200mA
Discharge Current 30Amp limit by PCM
Dimensions (LxWxT)


Weight TBC
Operation Temperature
(Cell Surface Temperature)
  • Charge: 0°C  ~  60 °C 
  • Discharge: - 40°C  ~ 60 °C 
Storage Temperature
  • 1 month: -20°C (32°F) ~ 60°C (140°F)
  • 3 month: -20°C (32°F) ~ 45°C (113°F)
  • 1 year: -20°C (32°F) ~ 20'°C (68°F)
Related Products

You can use our smart charger to charge this battery, setting at output 21V, ≤2000mA

  • Li-Ion battery may explode if misused. We are not responsible for any damages or losses caused by misuse (including but not limited to: over charge, over discharge, any changes to this battery pack, disassemble battery pack).
  • Always charge battery with attention.  Battery pack shall be put in a fire-proof place to avoid any accidents
  • Please check battery polarity before connecting to device.
  • For safety warning please see the link here
  • California residents: Warning: Cancer and Reproductive Harm - See Prop 65 Warnings

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We own a national standard UN38.3 testing lab. We can provide UN38.3 test service to our customer.

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