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  1. atomicthumbs

    Best way to parallel these prebuilt 4S 42Ah li-ion packs or otherwise make them useful

    Forgot to reply to this, excuse the delay. I did get the specs for the batteries from Battery-Space, and they do have BMSs and 10A polyfuses. My main worry is that pretty much every inverter I've found lists a maximum tolerable voltage that's lower than the open circuit full-charge voltage of...
  2. atomicthumbs

    Best way to parallel these prebuilt 4S 42Ah li-ion packs or otherwise make them useful

    I work at an e-waste recycler and have acquired several dozen of these Batteryspace 611wh 4S lithium packs (a slightly different version, CU-JAS466, without the SMbus wiring present). They're very lightly used. I'd like to use these as-is to supply both AC and DC power. My two problems are...
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