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21700 High Drain Battery (PAIRS)
21700 High Drain Battery (PAIRS)
21700 High Drain Battery (PAIRS)

21700 High Drain Battery (PAIRS)

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Samsung 30T

  • Model: 30T
  • Manufacturer: Samsung
  • Country of Origin: South Korea
  • Chemistry: IMR (Hybrid)
  • Max. continuous discharge current: 35A
  • Nominal capacity: 3000 mAh
  • Nominal voltage: 3.6 V
  • Discharge end voltage: 2.5 V
  • Charging voltage: 4.20 +/- 0.05 V
  • Standard charging current: 1.5 A
  • Protection: Not Protected (Flat-Top)
  • Size: 21700

PLEASE NOTE - We have tested and use these Efan batteries ourselves and find them less powerful than the Samsung 30T but certainly good enough for safe pulse use with builds of not lower than 0.1 ohm

Efan 21700

Good Performance 21700 flat top battery

Features/Specification: Model: IMR 21700 Rated Capacity: 3750, 5000, 4800mAh

Nominal Voltage 3.7V

Voltage at end of discharge: 2.5V

Max charging current: 4A

Standard charge: 2A

Discharge current: 40, 15, 10A continuous 

Charging temperature range: 0C to 45C

Discharge temperature range: -20C / -75C

Cell size : 20.27mm x 70.15mm

Weight: 65g/pc



    PLEASE NOTE: The Postage of these items is not permitted in a lot of countries so please check customs rules. By ordering these particular items you are accepting responsibility accordingly.

    Any orders returned to us because of this issue, WILL NOT BE REFUNDED FOR THE COST OF BATTERIES OR POSTAGE.

    Fully charge before first use.

    Never short (connect positive and negative size) battery.

    Keep them always in battery case, or any other insulating material.

    Never keep this battery together with metal objects (short circuit can happen if you do).

    Never carry bare cell in your pocket with keys, change or any other metal objects.