Samsung 40T 21700 4000mAh Battery – 30A


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SKU: 0071-1 Category:


    Samsung 40T 21700 Battery 4000mAh Battery


    Size: 21700
    Battery Capacity: 4000mAh
    Voltage: 3.6 V
    Discharge: 40 A
    Style: Flat Top
    Protected: NO
    Rechargeable: YES
    Dimensions: 21.1 x 70.4 mm


    1x Samsung 40T 21700 Battery 4000mAh

    These are high capacity and high discharge current batteries. If mishandled / mistreated, they can cause you SERIOUS INJURY. USE AT YOUR OWN RISK !

    Safety Notes:

    • Do NOT short.
    • Do NOT leave unattended when charging.
    • Do NOT leave unattended immediately AFTER charging.
    • Do NOT carry in your pocket or purse unless they are in a secure non-conductive carry case.
    • They are not toys. Do not let your children or pets play with them.
    • Do NOT recharge with cheap chargers that keep on trickle charging after the normal cycle or that do not follow the Constant Current / Constant Voltage (CC/CV) algorithm properly.