A complete over the counter, fully UK/EU regulation compliant solution for “end user” sales, our Retail Ready option was created on customer feedback with the vaping industry exclusively at the forefront of development. Safety and convenience of a compliant, batch tested genuine manufacturer cell in a ready to ship, “worry free” package. Cells are batch tested on entry, compliance market, placed inside a hard plastic case then packaged in our custom white label boxes with safety information printed on two sides and polarity on both ends.

Samsung 40T Single Cell 21700

    • Brand: Samsung
    • Model: 40T
    • Size: 21700
    • Chemistry: IMR
    • Nominal Capacity: 4000mAh
    • Nominal Voltage: 3.6V
    • Discharge: 30A Max Continuous
    • Positive: Flat
    • Protected: NO, UNPROTECTED
    • Rechargeable: Yes
    • Dimensions: 21mm x 70mm

    Safe usage, storage and disposal

    Lithium-ion (Li-ion/Liion) batteries/cells can be dangerous when mistreated.

    • Never carry loose cells – they should be suitably cased at all times when not in use. (We supply free cases with every order)
    • Do not short batteries with metallic objects.
    • Always use a battery charger designed for the cells you are charging. You can find ours here
    • Never leave a battery charger unattended.
    • Never completely discharge batteries. (The cut off for most cells is 2.8v or 2.5v)
    • Check your wraps and insulators regularly. Replace worn or damaged wraps before continuing use. You can see our selection here
    • Do not expose to extreme heat or cold, or sudden fluctuations between the two.


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