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jrnymn7's avatar
jrnymn7
Explorer
Aug 16, 2014

when should a powermax pm4b drop into float mode

Hey everyone... hope your summer has been as enjoyable as mine. (...loving the cooler than normal weather!!!) I recently installed a new pm4b 75amp charger and Trimetric meter. My batteries are 4 T...
jrnymn7's avatar
jrnymn7
Explorer
Oct 11, 2014
Numbers are in on the pm4b...

when out-putting 46.5a @ 13.9v the ac line current is 9.8a... 1024w in / 646w out... ~63% efficient. And other readings showed ~58% eff.

The line voltage dropped considerably from 121.5v to 104.5v, but I was hooked up to a 100' 14/2 extension cord, plus the wiring throughout the bus.

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