ANENJI via AliExpress. [aliexpress.us] ANENJI ANJ-3KW-24V-LV-WIFI Hybrid Solar Inverter 3KW 24V 110/120V Pure Sine Wave with WiFi $178 + Free Shipping from US warehouse.
Apply coupon for $24 off at checkout USSS24.
Key Features:
- Power: 3KW (3000W) rated, 6000VA surge, pure sine wave output.
- System: 24V battery, 110/120V AC output for off-grid solar systems.
- Charger: Built-in 100A MPPT solar charger, 4000W max PV input.
- Smart: Built-in WiFi for remote monitoring and control via app.
- Compatibility: Works with LifePO4 and lead-acid batteries.
- Flexible: Can operate with or without a battery connected.
- Compact: Size 312x350x115mm, weight 8.5kg, easy to install.
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https://www.aliexpress.us/item/32...83215.html 
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https://slickdeals.net/f/19482879-anenji-3kw-24v-hybrid-solar-inverter-with-mppt-100a-charge-controller-pure-sine-wave-wifi-199-free-shipping?src=SD
For less than the price of a single Enphase IQ8 these are great. Certainly not an apple to apples comparison as they are completely different but this inverter is a great entry to solar. When balcony solar is eventually allowed takes only a few setting changes and tada! Then, rather than a dedicated load circuit and battery can make full use of it. I would probably configure it as UPS for must haves during power outage.
https://slickdeals.net/f/19482879-anenji-3kw-24v-hybrid-solar-inverter-with-mppt-100a-charge-controller-pure-sine-wave-wifi-199-free-shipping?src=SD
For less than the price of a single Enphase IQ8 these are great. Certainly not an apple to apples comparison as they are completely different but this inverter is a great entry to solar. When balcony solar is eventually allowed takes only a few setting changes and tada! Then, rather than a dedicated load circuit and battery can make full use of it. I would probably configure it as UPS for must haves during power outage.
It's pretty quiet (in my shed). The fans spool up when it's charging; it's probably the same volume as a decent PC workstation.
I ran a 750 W resistive load for one hour while monitoring the inverter and phone app. The inverter was solid (120V) and ran the load continuously for the hour with no faults or skips. The app is nice – gives load, battery voltage, and operating mode updates were visible in ~5 minute increments in the mobile interface during the run. I didn't check it, but it's interesting that the options exist for 110 and 115v output, and both 50hz and 60hz operation.
My only (minor) beef is that the on-screen options on the inverter panel require the manual, as its settings are titled with just a number and the setting values are abbreviated with 3 letter options or number/value. It's basically like ever HVAC/thermostat/etc in the world that uses a setting list vs a TFT panel with full UI. OTOH, the app is much friendlier - just scroll the values and click to upload each new setting.
*I don't have a PC in my shed, but it'd be tempted to get a second one of these to act as a UPS for my plex server if it's a quick enough switchover.
Edit...and I forgot the pic. It's attached now.
Did you get a chance to run a failover (UPS-style) load switch time*? I ask because I've only had a chance to run a small circuit on mine to make sure it was running. I set it up with a LiFePO4 25.6v /100 Ah battery to check it out, check out the wifi (app) interface, and make sure it held up under my expected load. I also pulled the cover on mine and grabbed a pick if anyone is curious. I had different specs on my mind and didn't realize this has a 60V-500V panel input – which is great for running panels in series and using smaller gauge…but I only have 1 panel so I need to get at least two more to run the solar.
It's pretty quiet (in my shed). The fans spool up when it's charging; it's probably the same volume as a decent PC workstation.
I ran a 750 W resistive load for one hour while monitoring the inverter and phone app. The inverter was solid (120V) and ran the load continuously for the hour with no faults or skips. The app is nice – gives load, battery voltage, and operating mode updates were visible in ~5 minute increments in the mobile interface during the run. I didn't check it, but it's interesting that the options exist for 110 and 115v output, and both 50hz and 60hz operation.
My only (minor) beef is that the on-screen options on the inverter panel require the manual, as its settings are titled with just a number and the setting values are abbreviated with 3 letter options or number/value. It's basically like ever HVAC/thermostat/etc in the world that uses a setting list vs a TFT panel with full UI. OTOH, the app is much friendlier - just scroll the values and click to upload each new setting.
*I don't have a PC in my shed, but it'd be tempted to get a second one of these to act as a UPS for my plex server if it's a quick enough switchover.
Edit...and I forgot the pic. It's attached now.
... Also, you're a nerd for opening it up - I did the same
...and yes, yes I am.
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https://slickdeals.net/f/19482879-anenji-3kw-24v-hybrid-solar-inverter-with-mppt-100a-charge-controller-pure-sine-wave-wifi-199-free-shipping?src=SD
For less than the price of a single Enphase IQ8 these are great. Certainly not an apple to apples comparison as they are completely different but this inverter is a great entry to solar. When balcony solar is eventually allowed takes only a few setting changes and tada! Then, rather than a dedicated load circuit and battery can make full use of it. I would probably configure it as UPS for must haves during power outage.
I ended up getting one to upgrade my 12v system and I've been running it through tests this past week.
Found it interesting that the fans are always on, but very low noise. Basically like a quiet PC. It didn't ramp up until about 1500w output and even then it wasn't louder than the induction cooktop I was using to test with.
Also, I was getting 35w idle, which isn't too bad.
The cons:
I don't like the charge controller. It stops charging at the float voltage setting and doesn't look at the bulk voltage setting. At first I didn't change these settings because the manual says the default was 28.2v for bulk(absorption) and 27.0v for float, which is what I would have set it to. When I actually went into the settings on the unit to adjust, the float was actually set to 28.2v. When I adjusted the float voltage down, it stopped charging when the battery voltage hit 27v. I was going to play with this more, but gave up, because I was planning on using my 2 100/50 Victron charge controllers anyway.
I'm not a big fan of the wifi and app. The app takes awhile to update info from the data logger. Again, not a big deal for me. There are instructions out there on the diysolarforums on modding the unit to connect a rasberry pi and use solar assistant. I might try that when I need a new project.
A low battery voltage fault came up when I was testing last night. Battery was at 85%. Haven't had time to check the low voltage settings. Not good if they have the default set too high and it trips the fault when you run a heavy load.
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