26.99 USD – that is current price with coupon for Case for NU40 43 (in Banggood). Just check coupons out (with price alert and history). What is best price?
Latest coupon and price update (UTC):
Banggood (26.99 USD)
Banggood warehouse is located in China. CouponsFromChina software could not find any coupon for this product in Banggood. But wait a sec… Is it a good price? Maybe there’re no more promotions for this item, because current price is higher than average (which is equal 21.87 USD)
Link: Banggood product page
Price: 26.99 USD
Exclusive Allowance Coupons: https://bit.ly/3xWgD9k
Old coupons (from the oldest to the newest): BGcharles03, BGd57765
(you can check these old coupons out, but these probably won’t work)
Aliexpress
Here are coupons that you can use.
Price history and price alert
Do you need price history chart (for all/most countries) for Nitecore Headlamp 18650 Extended Battery Case for NU40 43 50? There we go.
Price records source(s): Banggood
Click on image to enlarge. 
You can set price alert (for Banggood).