ZMI 6000mAh Power Bank (Banggood, Aliexpress: 6000 mAh (the best price with coupon)).
Go down and check coupons out. Remember to check price history if it is available. Best price?
Aliexpress
I could not find it on Aliexpress. Click here to search by yourself.
Here are coupons that you can use.
Latest price update (UTC time):
Banggood
Banggood warehouse is located in China.
Link: Banggood product page
1. ($60.08): BGXMI15
2. ($65.68): 7d18f7
put item in your cart and apply coupon code there after clicking “Proceed to checkout”. Click to copy code and open shop.
Exclusive Allowance Coupons: https://bit.ly/3xWgD9k and https://couponsfromchina.com/short/feV
Old coupons (from the oldest to the newest): BG3CSUM, BGPAYPALSS, aff7off, BGaDmITAd, BGBFAFF2019, BGCITYADS2019
(these coupons are old, so probably won’t work)
Price history and price alert
Do you need price history chart (for all/most countries) for ZMI 6000mAh Power Bank? There we go. The lowest price was: $59.99.
Price records source(s): Gearbest, 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)).