Aliexpress
Here are coupons that you can use.
Other warehouses/versions
This item is available in 1 another warehouse/version!
1. China – Sofirn C8A Flashlight (-3 USD)
Latest price update (UTC time):
Banggood
Banggood warehouse is located in China.
Link: Banggood product page
Coupon (16.46 USD): cbrIDgTec
Coupon (17.49 USD): BGSF
(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): 502C6B, e2bcea, linepayflt, EYBG, BGBSPX, BGTORCH
(I don’t think these’re gonna work, but you can try ’em out anyway)
Other warehouses/versions
This item is available in 1 another warehouse/version!
1. China – Sofirn C8A Flashlight (-3 USD)
Price history and price alert
Here is price history (for all/most countries) for Sofirn C8T Flashlight.
Price records source(s): Banggood
Click on image to enlarge. 
You can set price alert (for Banggood).