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  1. K

    cheap active cell balancers

    I might have missed something, how are active cell balancer to be used? I have the same balancer and monitor as this guy. https://youtu.be/WKGk5Of4sik But I also have a charger attached as well. Balancer is most effective when charger is near full and the charge amp will drop towards one or...
  2. K

    When a Lithium ion cell explodes how much damage can it do? :)

    Can a dead 18650 explode? Cell with zero or near zero charge. I used them for spot weld test. Spot the side, it did some small fizzled and stop. No longer try to spot well the side.
  3. K

    Have You Built Battery Pack WITHOUT BMS?

    It is not about during the build but after the build. If battery were to have a very bad crash will less likely result in fire. I would imagine copper wire breaking during any shorts. But you did brought out a good point about performance loss cause by heat. Wire had break do to heat from...
  4. K

    Have You Built Battery Pack WITHOUT BMS?

    Let me clarify what I was thinking. For someone who unfortunately experienced :kff: by accidently shorted part of the battery during the built. My 24 AWG wire would just break quickly vs a thicker wire or nickel strip might be still heating up during the short. I agree.. That is why I would...
  5. K

    Have You Built Battery Pack WITHOUT BMS?

    I been using ES resources to help me build a better battery. This is my experience with my pack without bms. Start with the type of battery, modem backup battery. Output will be week for motor application. Bike, over volting front hub motor from 42v to 68v, climbing a 6% grade hill, 1/3...
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