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  1. J

    The secret to compression

    https://www.mcmaster.com/86375k64/ Also known as Poron: https://rogerscorp.com/elastomeric-material-solutions/poron-industrial-polyurethanes/poron-evextend Foam compresses 25% at 11psi. If you buy 1/4" foam, then plan for 3/16" between your cells when you design your busbars and your box, and...
  2. J

    REC ACTIVE BMS vs Orion Jr for 4S4P 280Ah LiFePO4 system

    Hi all - I'm trying to decide on a BMS for my sprinter van battery system. I'm looking at the REC ACTIVE BMS and the Orion Jr. I like that the REC is already set up for 4S, and seems like it has the ability to work with the WS500 regulator I'm using, as well as Victron equipment. But the...
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