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Molicel P42A 4200mAh 21700 Li-Ion Battery 2 Pack

Original price $17.49 - Original price $17.49
Original price
$17.49 - $17.49
Current price $17.49
In Stock
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Free Delivery on U.S.A. Orders $99 or more

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All batteries must be shipped by a ground shipping method.

With a typical capacity of 4,200mAh and 45A discharge rating, the P42A is simply the best all around 21700 cell. It delivers very high capacity without compromising on charge/discharge rate, which is what makes the cell so popular for custom flight packs and other high current, high capacity applications. They have a standard charging current of 4.2A which makes them easy to charge quickly.

If you're looking for a high discharge 18650 cell, we also carry the 35A 2800mAh Molicel P28A!

Check out our  entire selection of Li-Ion cells and chargers!


  • Size: 21700
  • Style: Flat Top
  • Nominal Capacity: 4200mAh
  • Max. Continuous Discharge Current: 45A
  • Standard Chargin Current: 4.2A 
  • Nominal Voltage: 3.6V
  • Protected: No
  • Rechargeable: Yes
  • Dimensions: 21.40x70mm
  • Weight: 67.8g

Datasheet Download


  • 2x Molicel P42A 4200mAh 21700 Li-Ion Battery 2 Pack
  • 1x Plastic 2 Cell Case