– Intelligent Input Voltage LED Display, – No load current: <0.9A, - Input Vottage: 12V, - Peaks Power: 1000W/1600W/2200W/3000W, - Conversion Efficiency: 90%, - Output voltage: 220VAC/ 50Hz+3Hz, - Output voltage waveform: Pure sine wave, - Rated power: 500W/800W/1100W/1500W. Basically copy coupon, view price history or create e-mail price alert. What is best price?
Aliexpress
There’re some similar (or not) items on Aliexpress
You can use link bot to get even lower price:
Click here to search by yourself. Here are coupons that you can use.
Latest coupon code price check (UTC time):
Banggood
Banggood warehouse is located in China. There are no coupons available at this moment in Banggood.
Link: Banggood product page
Price: $-3
It looks like this item is out of stock in Banggood. If you found it then please send me the link. I will replace it.
Click here to search on Banggood!
Additional Banggood coupons: first page and second page
Old coupons (from the oldest to the newest): BGET12, BG589b2e, BGMARCHSALE
(these coupons are old, so probably won’t work)
Price history and price alert
Check out price history chart (for all/most countries) for 1500W/3000W Pure Sine Wave Inverter 12V-220V. The lowest price was: $70.39.
Price records source(s): Banggood
Click on image to enlarge. 
You can set price alert (for Banggood and Aliexpress (only if product name will be the same as on Banggood and I will post it on social media though, so it’s more like Banggood price alert)).