Aliexpress
Here are coupons that you can use.
Latest price update (UTC time):
Banggood
Banggood warehouse is located in Europe .
Link: Banggood product page
Coupon (699.19 USD): BG8OFFCOUPON
Coupon (714.39 USD): BG00c906
(CouponsFromChina.com tip: put item in your cart and apply coupon code there after clicking “Proceed to checkout”. Click to copy code and open shop)
Exclusive Allowance Coupons: https://bit.ly/3xWgD9k
Old coupons (from the oldest to the newest): BgGoodie9, BGc363fd
(you can check these old coupons out, but these probably won’t work)
Price history and price alert
Here is price history (for all/most countries) for BLUETTI EB55 700W 537Wh LiFePO4 Power Station [EU].
Price records source(s): Banggood
Click on image to enlarge.
You can set price alert (for Banggood).