$25.64 – Nitecore Headlamp 18650 Extended Battery Case for NU40 43 50 (Banggood, Aliexpress: NITECORE Headlamps 18650 Extended Battery Case for NU40 43 50 Headlamps Night Run Trail Run Headlight (the best price with coupon)).
$25.64 – that is current price with coupon for Nitecore Headlamp 18650 Extended Battery Case for NU40 43 50 (in Banggood). Go down and check coupons out. Remember to check price history if it is available. What is best price?
Latest coupon and price update (UTC):
Banggood ($25.64)
Banggood warehouse is located in China. Is it a reasonable price for this item? From what I can see this price is higher than average price ($20.65). I found coupon for you. Check this out.
Link: Banggood product page
Price without coupon: $26.99
1. ($25.64): BGTORCH10
coupon code has to be applied in shop’s cart after clicking “Proceed to checkout”. Click to copy code and open shop.
Exclusive Allowance Coupons: https://bit.ly/3xWgD9k and https://couponsfromchina.com/short/i1u
Old coupons (from the oldest to the newest): BGcharles03, BGd57765
(probably won’t work, but you can try them out)
Aliexpress
There’re some similar (or not) items on Aliexpress
You can use link bot to get even lower price:
Click here to search by yourself. Here are coupons that you can use.
Price history and price alert
Check out price history chart (for all/most countries) for Nitecore Headlamp 18650 Extended Battery Case for NU40 43 50. The lowest price was: $15.77.
Price records source(s): 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)).