Aliexpress
Here are coupons that you can use.
Other warehouses/versions
This item is available in 1 another warehouse/version!
1. Europe – Xiaomi WPB15ZM 10000mAh Wireless Power Bank Youth [EU] (-3 USD)
Latest price update (UTC time):
Banggood
Banggood warehouse is located in China. Hmmm… There is no active coupon in Banggood at this moment.
Link: Banggood product page
Price: -3 USD
It looks like this item is out of stock in Banggood. If you found it then please send me the link. I will replace it.
Click here to search on Banggood!
Exclusive Allowance Coupons: https://bit.ly/3xWgD9k
Old coupons (from the oldest to the newest): BGmi2in11w, BGCITYADS2019, BG2n1qip, AFfbG10, BGmi2in1q, BGNAXMPB10W, BGVDay10%off, BGAFF10OFF, BGTT10, bGhOnEy10, BGXMI15, BGSS10%SW, bgshOOp10, BgoFErTaSchInA10, BGXiaomi10wp, BgcLuBofErtA10, BG15POWERBANK, BGCuponation10, 13f142, BGHONEY2110, BG206316
(system checks these coupons on every price check (like once per 24 hours), but you can check them out anyway)
Other warehouses/versions
This item is available in 1 another warehouse/version!
1. Europe – Xiaomi WPB15ZM 10000mAh Wireless Power Bank Youth [EU] (-3 USD)
Price history and price alert
Do you need price history chart (for all/most countries) for Xiaomi WPB15ZM 10000mAh Wireless Power Bank Youth? There we go.
Price records source(s): Gearbest, Banggood
Click on image to enlarge. 
You can set price alert (for Banggood).