I have just checked coupons. The lowest price I could get is 17.98 USD for Lumintop PD2 2 in 1 USB-C Battery Charger Power Bank (in Banggood). Get coupons, create price alert or check price history out! Do you want to know what the best price is?
Latest price update (UTC time):
Banggood (17.98 USD)
Banggood warehouse is located in China. There are no coupons available at this moment in Banggood. You probably want to know if this is a good price. This price is higher than average price (17.29 USD) for this item.
Link: Banggood product page
Price: 17.98 USD
Exclusive Allowance Coupons: https://bit.ly/3xWgD9k
Old coupons (from the oldest to the newest): BG589b2e, FIN9136, FIN7859
(you can check these old coupons out, but these probably won’t work)
Aliexpress
Here are coupons that you can use.
Price history and price alert
Price history (for all/most countries) for Lumintop PD2 2 in 1 USB-C Battery Charger Power Bank is here.
Price records source(s): Banggood
Click on image to enlarge. 
You can set price alert (for Banggood).