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I currently have the EG4-6000EX and it is a terrible unit for off-grid use. Everyone knows about the high idle consumption (115w) but there also looks to be a 250W loss from the PV input to the PV output (MPPT loss/pwr consumption). The 250w looks to be consistent across the full pwr input...

Mlhagema, thanks for that. I believe your measurement would pickup the inefficiency of the charge-controller as well so very surprised at the result. My measurement(s) above were at the PV input terminal (pv wire @ 6000EX) against the 6000EX readout (pv input voltage/output pwr) from the...

Thanks for that Goose. Yes, the 6000XP is on the current connected web site and they are matching SS price https://www.currentconnected.com/product/eg4-6000xp-inverter/. If anyone has information they can share on mppt efficiency across the pv input range for the 6000XP unit I would...

Mlhagema, it looks like you are isolating the efficiency of the charge controller and missing the mppt efficiency issue I have highlighted. If your pv input measurement was before the 6000ex unit and the second reading is at the battery it would also show the pwr consumption of the 6000ex unit...