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  1. D

    current/amperage rating for WL-086-01 BMS

    I have this old LiFePO4 BMS with WL-086-01 FR-4 94V0 May 2008 printed on the board. Before I bother checking to see if it still works, does anyone know the current/amperage rating is suppose to be for this BMS?
  2. D

    continuous draw on harvested 18650 cells?

    My e-bike kit is a 52 volts, 1500 watts system which means the controller can do up to 30 amps roughly. I imagine I'll need all that power because of the hills in my city (Seattle) and I'll have the kids in tow sometimes. I want to use 18650 cells harvested from laptop batteries (14s10p). I'm...
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    can I use five 12v power supplies in series to charge 52v battery?

    I'm eventually building a 52v li-ion battery (14s10p, 18650 cells) for my first e-bike. I have a ton of 12v server power supplies (all the same make and model) laying around - I guesstimate their actual voltage output range to be 12.2 to 12.4 volts. I've already figured out the pin outs to...
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    started e-bike project, made mistakes, now a lil' lost

    So I jumped right into my e-bike conversion project with no real research, no bike and no real biking experience (I last road a bike when I was 10) - I love to tinker and have a couple hundred 18650 li-on batteries so that's all I needed to get started right away LOL. Ordered a 48V 1500W 700c...
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