You can create price alert here, copy coupons and view price history. Let’s see what best price is ATM.
Model POW-HPM5.6KW, Maximum PV Input Power 5500W
Aliexpress
There’re some similar (or not) items on Aliexpress
| Image | Product (link) | Price | Coupons |
|---|---|---|---|
 |
5000W high-power pure sine wave inverter rear main board module solar photovoltaic outdoor power inverter module | $107.88 | – |
Click here to search by yourself. Here are coupons that you can use.
Latest coupon and price update (UTC):
Banggood
Banggood warehouse is located in China. There are no active coupons for this product, but the price is pretty low isn’t it?
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!
Exclusive Allowance Coupons: https://bit.ly/3xWgD9k and https://couponsfromchina.com/short/5cd
Old coupons (from the oldest to the newest): BGHPM5KW, BG5KWHPM, Cuponation9, BG575946, BG800653, BG6cdbcd, BG5aaf70, BG5KPW, COUPONSDE1wk, BgGoodie9, BG8ReviTrage, BG8OFFCOUPON, JanBGCoupon8, BG589b2e, BGa5602c, BG7fcf51, BGMARCHSALE, BGAUGUST8, BGCAPITALOS8, BGCOUPERT8, BG01f81d, BG8FORMULAMX, BGBFDAY8
(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 5000W Pure Sine Wave Photovoltaic RV Inverter? There we go.
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)).