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Have a few (6) 7s 20p (18650) batteries that i have built over the last few days using batteryhookup nickel fuse with spot welding. finally got my bms's in the mail and wired up last night, easy enough i think? now my issue is if i check the voltage at the xt60 (Bms) connector i get 18.6v...

Ended up getting 4 cs3u-340p panels for free last year. Finally have the resources to put a system together.. Each panel is putting out 42 volts when tested with multimeter.. Rated for 45v Amp rating is 9 amps I know these ratings are under optimal conditions .. I'm not sure if I'm going to...