According to my DB the lowest price is $25.95 for Nitecore HA13 350lm Headlamp AAA (in Banggood). Price history, coupons and price alert are available on this page. What is best price?
NITECORE HA13 350 Lumen Lightweight Headlamp Portable AAA Battery Waterproof Dual Light Source Long-Lasting Outdoor Headlight
Latest coupon code price check (UTC time):
Banggood ($25.95)
Banggood warehouse is located in China. Hmmm… There is no active coupon in Banggood at this moment. The question is – is it a good price? This price is higher than average price ($24.00) for this item.
Link: Banggood product page
Price: $25.95
Exclusive Allowance Coupons: https://bit.ly/3xWgD9k and https://couponsfromchina.com/short/5cd
Old coupons (from the oldest to the newest): BGcharles03
(system checks these coupons on every price check (like once per 24 hours), but you can check them out anyway)
Aliexpress
There’re some similar (or not) items on Aliexpress
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 HA13 350lm Headlamp AAA.
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)).