$27.99 – Color Black, Battery Type Li-polymer Battery, Fast Charging Protocols PD / QC3.0 / SCP / FCP / AFC, Material Metal, Brand Baseus, Weight About 482g, Battery Capacity 20000mAh.
I have just checked coupons. The lowest price I could get is $27.99 for Baseus Adaman 22.5W 20000mAh PD QC3.0 (in Banggood). You can create price alert here, copy coupons and view price history. What is best price?
Latest price update (UTC time):
Banggood ($27.99)
Banggood warehouse is located in China. You probably want to know if this is a good price. From what I can see this price is higher than average price ($27.66). Only one coupon available!
Link: Banggood product page
Price without coupon: $29.99
1. ($27.99): BGBUEASEU
just apply this code in your cart after clicking “Proceed to checkout”. Click to copy code and open shop.
Additional Banggood coupons: first page and second page
Old coupons (from the oldest to the newest): BGb43449, 8BGwbg2204, tRaDetRaCKeR, BG2d18a7, 8wEbgaInS5, BG574414, pROMo8cuPoN, BG2eaf27, BG8d97a6, Cuponation9, BGXIFD007, BG60a29d, BGc650ad, BG34b4f9, BGa34a35, BGeeba67, BG694e0d, BG589b2e, BG568a6a
(you can check these old coupons out, but these probably won’t work)
Aliexpress
There’re some similar (or not) items on Aliexpress
You can use link bot to get even lower price:
Click here to search by yourself. Here are coupons that you can use.
Price history and price alert
Here is price history (for all/most countries) for Baseus Adaman 22.5W 20000mAh PD QC3.0. The lowest price was: $25.99.
Price records source(s): Banggood
Click on image to enlarge. 
You can set price alert (for Banggood and Aliexpress (only if product name will be the same as on Banggood and I will post it on social media though, so it’s more like Banggood price alert)).