Aliexpress
Click here… to search for Xiaomi ZMI LPB02 5000mAh Power Bank Flashlight on Aliexpress
Here are coupons that you can use.
Latest coupon and price update (UTC):
Banggood
Banggood warehouse is located in China. There is one great coupon!
Link: Banggood product page
Coupon (31.41 USD): BGCCARG
(CouponsFromChina.com tip: paste coupon code in your cart and click Apply after clicking “Proceed to checkout”. Click to copy code and open shop)
Exclusive Allowance Coupons: https://bit.ly/3xWgD9k
Old coupons (from the oldest to the newest): BGLPB02, BG1415, EYBG, BGaDmITAd, BGZMIPB9, BGVDay10%off, 0e7f33, FBCOUPON1, BGXMI15, BG15POWERBANK, BGAFF10OFF, BGCuponation10, 13f142, BGHONEY2110, BANGGOODSD, 6GSGIT
(you can check these old coupons out, but these probably won’t work)
Price history and price alert
Check out price history chart (for all/most countries) for Xiaomi ZMI LPB02 5000mAh Power Bank Flashlight.
Price records source(s): Banggood
Click on image to enlarge. 
You can set price alert (for Banggood).