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The problem with inverters is 12v dc to 120v ac.
too much load on 12v batteries, it would be better with 120vdc to 120 ac inverter.
At 1200 watts would be 10 amps for 120v dc batteries, or 100 amps for a 12v one
TommeyReed 2 years ago
Hi Tommey,
most of the inverters are used for feedin ( grid tie inverter) the grid. You´re right - It´s much better to have high DC-Voltages to convert it to AC then with low DC-Voltages. Most of the SMA ( and other) invertes work with 200 to 600 Volt DC and have a great efficency up to 98%.
So connect your pv-panels in series and have little powerlosses ;-)
sunny greetings
christof
gonzobuster 2 years ago