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  1. C

    Charging problem

    I recently made my first own battery pack (4p/13s 48V for a 750W BBS02). Since this was the first try, I used cheap batteries to make sure I don’t lose too much money in case I mess it up. I bought the following charger for it...
  2. C

    Calculating Capacity

    I just got a charger that tells me how much mAh I put into my 18650 batteries in a particular charging cycle (XTAR VC2). What I actually got the charger for is to test if my batteries are good or not. In other words check the capacity (I know, it’s just one indicator, but an important one). I...
  3. C

    Hostile biker

    Last weekend, I finally had time to finish my bike conversion to an e-assist bike. I rode it to work every morning since. This morning I had a strange experience. I arrived at work and was about to lock up the bike outside. Two guys arrived at the same time. I have seen them before and one of...
  4. C

    Battery pack for BBS02/750W

    Hi, I bought a 750W/48V befang BBS02 mid drive kit and made my own battery pack. 4P 13S 18650 cells. The BMS I put on it this: http://www.aliexpress.com/item/13s-BMS-48v-lithium-battery-BMS-48v-13s-PCM-for-electric-bike-lithium-battery48v-30a-battery/32328646828.html It is a 13S 48V 30A...
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