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  1. T

    65mm BMS With Active Balancing?

    This one meets most of your requirements but has 160 mA passive balance. I keep quality cells balanced within 7 mV with only 50 mA bleed while charging at 10A (tapers down to 2A at end of charge)...
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    Heavy Duty Shrink Wrap for large Battery packs? 400+ MM?

    I get my polyolefin heat shrink from electronics suppliers. It's sold by diameter, so you have to do some math. This one is the equivalent of 447 mm. https://www.digikey.com/en/products/detail/te-connectivity-amp-connectors/RMW-285-135-1200-U-0/7221547
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    14S4P in linear configuration - BMS balance and Copper/Nickle sandwich

    Hi Bonbond, I googled your username and saw you're building an E22 frame. I thought I'd let you know of another 14S4P 21700 cell configuration that fits in that frame. There is slight compromise in the series connections but it is much easier to build. This is my first battery build with great...
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