| How to use a 48 volt inverter [message #339172] |
Fri, 30 November 2018 06:47  |
Tilerpep
Messages: 404
Registered: June 2013
Location: Raleigh, NC
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Help me figure out how to use this:
I came across a $1000+ APC brand smt3000 uninterruptible power supply tower at a yard sale. Bought it for next to nothing.
Full specs here
https://www.apc.com/shop/us/en/products/APC-Smart-UPS-3000VA-LCD-120V/P-SMT3000
It puts out pure sine wave. Has four 12 volt batteries in it, and thus is looking for 48 volts. It is heavy (100+ pounds)
I can't figure how to use it as an inverter drawing from the house batteries (which would eliminate redundant battery weight), or charge the 48 internal volt bank from 12 volt engine source. Of course I can charge the unit when on shore power or genny, and just run until done, but that defeats the extended boondocking goal.
Thoughts?
1975 Glenbrook, 1978 Royale rear bath
Raleigh, NC
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