Originally Posted by SunCoast
Not sure what UHG is?
As noted in the post, I removed it to install additional batteries. I rarely used it, usually only to run the microwave.
UHG is second alternator(high output) so you can charge your lithium using chassis engine. Engine usually has to idle a bit higher rpms.
How are you planning on charging your lithiums? The standard alternator from Promaster? How large is your lithium battery bank? Thanks for the information.