Aliexpress
Click here… to search for Convoy S2+ Silver U6-3A Flashlight on Aliexpress
Here are coupons that you can use.
Other warehouses/versions
This item is available in 3 another warehouse/versions!
1. China – Convoy S2+ Silver V2-1A Flashlight (-3 USD)
2. China – Convoy S2+ Silver U6-4C Flashlight (-3 USD)
3. China – Convoy S2+ Silver U4-7A Flashlight (-3 USD)
Latest coupon and price update (UTC):
Banggood
Banggood warehouse is located in China.
Link: Banggood product page
Coupon (15.99 USD): CFCBG
Coupon (15.99 USD): M4BG
Coupon (15.99 USD): F7BG
Coupon (17.99 USD): CMBB
(CouponsFromChina.com tip: this code has to be applied in your cart after clicking “Proceed to checkout”. Click to copy code and open shop)
Old coupons (from the oldest to the newest): linepayflt, MS2PS
(these codes were not working in latest coupon update, but you can check them out anyway)
Other warehouses/versions
This item is available in 3 another warehouse/versions!
1. China – Convoy S2+ Silver V2-1A Flashlight (-3 USD)
2. China – Convoy S2+ Silver U6-4C Flashlight (-3 USD)
3. China – Convoy S2+ Silver U4-7A Flashlight (-3 USD)
Price history and price alert
Price history (for all/most countries) for Convoy S2+ Silver U6-3A Flashlight is here.
Price records source(s): Banggood
Click on image to enlarge. 
You can set price alert (for Banggood).