Pure Sine Wave Power inverter 3500W 24V 240V / 7000W (peak) DC 24V to AC 230 voltage converter USB & 2 AC sockets

I took delivery of the Yinleader 4000w inverter a few days ago. I figured a UK plug and socket with a 13 amp fuse is capable of supplying almost 3000w (230v x 13 amps). So, after allowing a bit of headroom, the inverter should hopefully cope with almost any single appliance I connect to it. My experience so far is very good, including a 1000w microwave which actually draws 1450w; a 800w air fryer and a 2200w steam iron. I will post an update, and maybe a video, when I have gained a bit more experience.

Worked for 2 months then lots of sparks a pop and lots of smoke it just keept drawing power and smoking did not blow any fuses witch was very worrying returns for a refund

I now have 2 of these inverters and use them to power all my high energy devices, washing machine, microwave, dishwasher, hot water heater etc. and to date they haven’t let me down. The only negative I can comment on are the loose fitting mains sockets.

I was happy at first with this inverter after installing it. At low loads it works well - I measured the efficiency (24V power supplied versus 230V power used by applianced) and it's decent enough, and the price seems good. But then I discovered the flaw - at higher loads well within the 3,500W rating, the output voltage can dip significantly. Plus there's an even more serious issue, where the unit seems to flip into a state where it won't provide much more than 500W without the voltage dipping down to around 150V - and it sticks in this state indefinitely.To say it's rated at 3.5kW/7kW peak the unit is just not worth the outlay, even at what seems like a reasonable price.I have spent quite a while investigating the problem. I'm an experienced electronics engineer and was able to rule out the 24V input supply. I have a quality battery bank that is quite happy to provide the loads needed.The issue seems to be related to cooling within the unit. Once a reasonable load of around 1.8kW - half the rated capacity and just a quarter of the peak rated load - has been running for a few minutes, the cooling fans kick in and ramp up speed to increase airflow through the unit and cool the components. A while after this, even at reasonable ambient air temperatures of around 20C, the output voltage seems to dip, sometimes under 200V.At this point it is recoverable. If I switch the load off and give the unit a while to cool off, it will work just fine when the load is switched back on.However, if I leave the 1.8kW load on for say, 20-30 minutes, the output voltage will dip significantly, to around 150V. After this point, even when the inverter is switched off and allowed to cool down, when the load is reapplied the output voltage will immediately dip to 150V, even though the fans are barely running at this stage because the unit has cooled.The only way I can get the unit to work again is to decouple the 24V power supply from the unit and leave it for 30 minutes with no power. At this point, the unit seems to work fine again - until the same steps above are repeated, which then again leaves the unit needing a complete power-down to fix it.I've disassembled the unit and note the SoC microprocessor controller. I suspect something like a glitch in the software which controls the power demand and cooling is to blame, hence why decoupling the 24V supply seems to be the only way I can get the unit back to supplying a load that is anywhere near the rated output. Perhaps the power down clears the software memory?Whatever the reason for the issues, the reality is that it's a huge faff to have to keep disconnecting and reconnecting the unit to recover from an error caused by applying just half the continuous rated load of the unit. The price seems good for a 3.5kW/7kW inverter, but really it's no better than other units cheaper than this, because it won't supply anywhere near 3.5kW for any length of time.

It is that good that it can power my washing machine, tuble drier (not at the same time) air frier, small cooker, toaster, slow cooker, bread maker all from batteries and this inverter.

It's working fine

Used twice worked great until it didnt and started to spark then no power from mains but did from usb returned for refund

Was working fine then a handful of months later the sockets both stopped producing power. One LCD went black too. If for whatever reason you buy this product, get insurance for it.