I have just checked coupons. The lowest price I could get is 42.99 USD for Bakeey 15W 36000mAh Solar Powered Power Bank [EU] (in Banggood). This is EU warehouse. Go down and check coupons out. Remember to check price history if it is available. Best price?
Latest coupon and price update (UTC):
Banggood (42.99 USD)
Banggood warehouse is located in Europe 
. There are no coupons available at this moment in Banggood. Is it good price? I’m not sure about the price, coz I have only 1 record(s) in my database.
Link: Banggood product page
Price: 42.99 USD
Exclusive Allowance Coupons: https://bit.ly/3xWgD9k
There were country-specific coupon codes published on Couponsfromchina social channels and price alerts. Coupon price may vary by country, because there’re different VAT rates, shipping cost etc. There is a chance that some latest coupons are still working:
Coupon (20.5.2024, $40.99): BGWHHUPL
Item: Bakeey 15W 36000mAh Solar Powered Power Bank [EU]
Countries: Hungary, Poland
Old coupons (from the oldest to the newest): BG82c9a3
(these codes were not working in latest coupon update, but you can check them out anyway)
Aliexpress
Click here… to search for Bakeey 15W 36000mAh Solar Powered Power Bank [EU] on Aliexpress
Here are coupons that you can use.
Price history and price alert
It doesn’t make sense to generate price history chart, because there is one price record which is: 41.99 USD.
You can set price alert (for Banggood).