When I was updating this page, then coupon price was 14.26 USD for Nitecore UM2 Battery Charger (in Banggood). Basically copy coupon, view price history or create e-mail price alert. Best price?
Latest price update (UTC time):
Banggood (14.26 USD)
Banggood warehouse is located in China. CouponsFromChina software could not find any coupon for this product in Banggood. Good or bad price? Pretty good price – average (14.84 USD) is higher than current one!
Link: Banggood product page
Price: 14.26 USD
Exclusive Allowance Coupons: https://bit.ly/3xWgD9k
Old coupons (from the oldest to the newest): BG2434P, BGUM2, BGTBFL, BG13TH, BGF1111, fInbG2020, BGff2020, BGUM213, BGAFF10OFF, BGTT10, BGSM30%, bGhOnEy10, bgshOOp10, BGUM24, BG14TH26, BGTBD, BgcLuBofErtA10, BGCZ1111, BG1128, BGBFC06, BGCuponation10, BGNTUM42, BGNTUM, BG10OFFAFF1, BGUM4, BRANDNC, 502C6B, e2bcea, linepayflt, BGUM4A, BGNTUM4, BG1106YR, BGCZ1107, BG1106YB, BGBFC04, BGYW13, 13f142, BG10OFFAFF, BGwhielabel, BG330e37, 4BLF, BGJH37, BANGGOODSD, 6GSGIT, BGTorch4, BGYW82, BGdeals307, BGZUZU088, 00c906, BGYW91, BGJH56, BGtorch2, BGsmart088, BGtorch3, BGALIBUY085, BG6ff6f4, BGAlerabat15, BGtorch7, BGJH64, BG675bad, BGALIBUY088, BGAlerabatI, BGOutlight10, BG589b2e, BGd57765
(I don’t think these’re gonna work, but you can try ’em out anyway)
Aliexpress
Click here… to search for Nitecore UM2 Battery Charger on Aliexpress
Here are coupons that you can use.
Price history and price alert
Price history (for all/most countries) for Nitecore UM2 Battery Charger is here.
Price records source(s): Gearbest, Banggood
Click on image to enlarge. 
You can set price alert (for Banggood).