Sometimes the BMS will fail on battery packs at work. The guts are 18650s. What are your thoughts on using the batteries for flashlights.

by medyaya26

4 Comments

  1. user975A3G

    No problem

    As long as there is no mechanical damage to the cells, they are the same thing as any other 18650

    But you can get 3500mAh or even 4000mAh 18650 cells (depending on how high discharge rate you need) so no one really uses these 2600mAh, which might even be worn out to less than that

  2. dhiltonp

    If the voltages haven’t dropped below about 2.5, then it’s perfectly safe. Even if they have, it’s very, very safe.

  3. Quiet_Philosopher_44

    I do the same myself and I haven’t had any problems. 

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