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Samsung 21700 40T 4000mah Battery

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Samsung 21700 40T 4000mah Battery Description:

The Samsung 40T is a 4000mah 21700 battery that outperforms all 18650 and 20700 batteries as of August 2018 and performs closely to the Samsung 30T.


  • Rated capacity: 4000mah.
  • Rated standard discharge capacity: 3900mah.
  • Rated max discharge current: 30A.
  • Nominal voltage: 3.6V.
  • Peak voltage: 4.2V.
  • Single Pack (1 Battery Included).


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