Aliexpress
Click here… to search for USAMS CD165 111Wh 65W 30000mAh Power Bank [EU] on Aliexpress
Here are coupons that you can use.
Latest price update (UTC time):
Banggood
Banggood warehouse is located in Europe 
. I’m not sure about the price, coz I have only 1 record(s) in my database. Well, there is one coupon available right now.
Link: Banggood product page
Coupon (67.15 USD): TTBLACK5
(CouponsFromChina.com tip: apply code in your basket (cart) after clicking “Proceed to checkout”. Click to copy code and open shop)
Old coupons (from the oldest to the newest): BGBFS36, BG81f8a2, BG5a3bd9, BG85d5c6, BGf990b4, 8wEbgaInS5, pROMo8cuPoN, BGd8b5ae, BGf33a96, BG7a6f59, Cuponation9, BG60a29d, BGfb6c8c
(probably won’t work, but you can try them out)
Price history and price alert
There is only one database record (it was for 46.99 USD), so you can’t see price history chart.
You can set price alert (for Banggood).