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HiTech's avatar
HiTech
Explorer
Mar 15, 2013

Grid tie inverters to boost genset or PSW inverter output?

Has anyone used grid tie inverters with your RV solar systems (some on eBay are very inexpensive indeed and claiming to be MPPT - ok I have some doubts) to supplement small genset output? It looks l...
mena661's avatar
mena661
Explorer
Mar 19, 2013
pianotuna wrote:
Hi Mena,

Simple answer. If you draw 100 amp-hours out of a battery then it takes approximately 110 amp-hours to replace the energy so used.

If on the other hand you run directly from solar there is nothing to replace.....
It seems you are comparing two different kinds of efficiency to me though. And it's not like solar panels are all that efficient either. They're terrible quite frankly. I'm still confused.

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