Forum Discussion

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
Sep 11, 2014
http://www.powermaxconverters.com/pmbc.pdf

the one at the top right has the knob.

http://www.boatandrvaccessories.com/powermax-pmbc-55-12-volt-55-amp-converter-charger-with-cables.html

this one looks like it has a knob on the side?

...maybe they made a 12.5-15v and a 12.5-16.5v model???

... do any of these have the auto 15 minute boost?

About Technical Issues

Having RV issues? Connect with others who have been in your shoes.24,344 PostsLatest Activity: Dec 26, 2025