BBGS 1000w Micro Solar Grid Tie Inverter DC20-45V to AC110V with Pure Sine Wave Gold Color (DC22-45V)

Got a pair of these to replace others I've had going for ~5 years (fans were sounding bad on old ones). No issues on delivery or power output compared to the old ones as I've had them going a few months now. They aren't 100% efficient in power conversion, but nothing is. When I first set-up my system I thought with 1000 watts in panels I'd see ~800W in AC power, but I actually get ~800W power from those panels (~32V 26A measured into the inverter) and the conversion loss makes ~650W AC output. Since getting those results I've ask several OEMs "Does the 1000W rating mean it will put out 1000W AC (with sufficient input like ~1200W DC), or can it only handle 1000W DC?" Most are saying "it will put out 1000W AC, but we don't suggest setting it up for full load continuous". With most panels not giving you peak power their labeled at, I'd be more tempted to put ~1200W in panels to one unit that should give you ~900W power DC which can be converted to ~750W AC. FYI I've seen some times where I do get nearly the peak power from my panels (which usually seems to be after a cloud came over cooling down the panels and then full sun came back) making me realize I may get 1200W DC at times (perhaps giving me 1000W AC), but it's pretty brief where it goes back to the above numbers in good sun after they've warmed back up in a couple minutes.Also many are asking "Can we connect these to batteries?" With the MPPT feature these are really intended to go to solar panels directly where the MPPT expects clouds to come over at times or night to come where it reduces output and/or shuts down, but otherwise constantly adjusts to take in all the power it can to convert it to AC. Going to batteries makes it think you have solar panels in good sun where it'll take everything it can from them until the batteries are drained. I've done that a few times to test some batteries, but knowing that I manually watched it carefully and turned them off when the battery was low (knowing it's bad to fully drain most batteries and you usually want to recharge them ASAP after use). So you shouldn't be setting these up on batteries for anything that automatically comes on. Also if you are thinking of going to batteries for remote power (like while camping), that requires an "off grid" inverter, but this is a "grid-tied" inverter that MUST detect grid power to begin to operate correctly (and won't do anything without grid power).Hope that helps explain what to expect.

I purchased one of these 1000w grid tie inverters 8-16-2021 because it appeared to have good reviews. I monitor the usage. It's not producing the amount of power it should be. Three new solars panels totaling 960w is only producing 180 to 198 watts. I have checked all of the wiring. It's good. I contacted their customer service twice. The 1st time was 10-22-2021 & 11-16. I doubt that they would have ever responded without contacting Amazon customer care. I'm very disapointed with the output because it should be closer to 800w at 2pm with clear skies instead 190w. It's a common problem with these 3rd party venders from China.

Design is compact , arriving on time . I supposed my order comes with power output of 180 - 260 volts.. display of photograph quiteconfusing but its okey. Maybe i will purchase another one next time ..