Aliexpress
Here are coupons that you can use.
Latest coupon and price update (UTC):
Banggood
Banggood warehouse is located in Europe .
Link: Banggood product page
Coupon (165.59 USD): BGCAPITALOS8
Coupon (165.59 USD): BGCOUPERT8
(CouponsFromChina.com tip: coupon code has to be applied in shop’s cart 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): BGdefff8
(there’s a little possibility that old coupon will work)
Price history and price alert
Here is price history (for all/most countries) for 120W 98Wh 26400mAh Power Station [EU].
Price records source(s): Banggood
Click on image to enlarge.
You can set price alert (for Banggood).