Battery bank and inverter sizing
Hi all, I recently installed a new solar panel on my camper that is capable of 9.8amps at full sunlight. The controller is a MPPT type that seems to work well and keep my batteries charged up. I ha...
Forum Discussion
2oldman wrote:
No. You'll need at LEAST 4 batteries to handle any a/c load, and even then it will be for maybe 15 minutes max.
The startup amps for the compressor are possibly in the 30amp range, meaning 300a from the batteries. That's what your two batteries can't handle.
Thanks for the response.
Wow, I am surprised that the start-up amperage would be nearly triple the regular load but that would explain why I'm having trouble.
If it was truly 30amp surge wouldn't that trip my 15amp breaker?
Also, why would my batteries need to supply 300a for a 30amp load?
