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  1. J

    which welder to use for 18650

    I see on ebay there is https://www.ebay.com.au/itm/402612106835? or there is one with lcd https://www.ebay.com.au/itm/353537578692? but that one doesnt have the same plugs. Can anyone recommend a good welder to make your own 18650 I have the following: https://www.wish.com/search/ZX7-200...
  2. J

    which is positive, signal, negative in this speed controller

    I bought the following speed controller. https://www.l-faster.com/wp-content/uploads/2018/12/250W-350W-Wuxing-thumb-throttle-with-LCD-display-controller-kit-1-aa.jpg The throttle has 3 wires. blue white red The model is xln21 Which wire is positive/negative/signal. When i connect...
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