3000W Solar Power Inverter DC12V To 240V (Banggood, Aliexpress: USB Output voltage DC5V /2.1A Max, Output Voltage 220V-240V AC, Type DC/AC Inverters, Output waveform Modified sine wave, Continuous Power 3000W, Peak Power 6000W, Input Voltage 12V DC (the best price with coupon)).
Basically copy coupon, view price history or create e-mail price alert. What is the best price?
Aliexpress
There’re some similar (or not) items on Aliexpress
Click here to search by yourself. Here are coupons that you can use.
Latest price update (UTC time):
Banggood
Banggood warehouse is located in China.
Link: Banggood product page
1. ($61.96): BG845979
2. ($64.14): BGSCM11
you should apply the coupon in your cart after clicking “Proceed to checkout”. Click to copy code and open shop.
Exclusive Allowance Coupons: https://bit.ly/3xWgD9k and https://couponsfromchina.com/short/5cd
Old coupons (from the oldest to the newest): BGffa6ea, 8BGwbg2204, BG50offS3, BGAUTO22, BGdcbfa8, DealBGimpact, Cuponation9, 9OFFSUMMER, BGCarEle4, BGCarEle5
(system checks these coupons on every price check (like once per 24 hours), but you can check them out anyway)
Price history and price alert
Do you need price history chart (for all/most countries) for 3000W Solar Power Inverter DC12V To 240V? There we go. The lowest price was: $40.49.
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)).