Aliexpress
Click here… to search for Xiaomi Redmi 20000mAh 18W QC3.0 Power Bank on Aliexpress
Here are coupons that you can use.
Other warehouses/versions
This item is available in 1 another warehouse/version!
1. Europe – Xiaomi Redmi 20000mAh 18W QC3.0 Power Bank [EU] (-3 USD)
Latest coupon and price update (UTC):
Banggood
Banggood warehouse is located in China. As you can see I didn’t find any active coupon for this product right now…
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!
Old coupons (from the oldest to the newest): BGrdmi2W, BGrm2w1, aff7off, BGRedmi18w, BGRDPB2, BGrm2w, BGrm295, BGaDmITAd, BGrm2w10, BGmird2w, BGBFAFF2019, BGCITYADS2019, BGmi2wrd, BGrm2w21, BGBINKUPON07, BGrm25mi, 2020CNY, BGrm26mi, BG2mi1wh, BGRMPB2, BGVDay10%off, BGNCXRD, BGPB14RA, FBCOUPON1, bGhOnEy10, BGRDMPBz, BGXMI15, BGRM201, BGdragonBoat, BGSS10%SW, BGAFF10OFF, BG8RedmiAU, bgshOOp10, BgoFErTaSchInA10, BGRedmi9000, BgcLuBofErtA10, BG11Redmi20000, BG12Redmi20000CZ, BG15POWERBANK, BG12Redmi20000, BG1Redmi20000, BGCuponation10, 13f142, BGHONEY2110, BANGGOODSD
(probably won’t work, but you can try them out)
Other warehouses/versions
This item is available in 1 another warehouse/version!
1. Europe – Xiaomi Redmi 20000mAh 18W QC3.0 Power Bank [EU] (-3 USD)
Price history and price alert
Here is price history (for all/most countries) for Xiaomi Redmi 20000mAh 18W QC3.0 Power Bank.
Price records source(s): Gearbest, Banggood
Click on image to enlarge. 
You can set price alert (for Banggood).