I have just checked coupons. The lowest price I could get is 18.35 USD for Convoy S21A SST40 Flashlight (in Banggood). Just check coupons out (with price alert and history). What is best price?
Latest coupon code price check (UTC time):
Banggood (18.35 USD)
Banggood warehouse is located in China. Too bad there’s no coupon right now in Banggood. Good or bad price? According to my database, the average price is 18.69 USD and current price is 18.35 USD, so it’s probably a good price!
Link: Banggood product page
Price: 18.35 USD
Exclusive Allowance Coupons: https://bit.ly/3xWgD9k
Old coupons (from the oldest to the newest): BGS21A, BG7S21A, EYBG, BGTORCH, 502C6B, BGBFCR41, fInbG2020, BGff2020, BGCONVOYSS, BGCONV, BGflashlight, BG10OFFAFF1, BANGGOODSD, BGTorch4, 00c906, BGtorch2, BGtorch3, BG8Alerabat, BGLED07, F03081, BG5de8a6, FIN1443, BGOutlight10, BG29ddce, BG6be74d, BGBLF26, BG589b2e, BGd57765
(these coupons are old, so probably won’t work)
Aliexpress
There’re some similar items on Aliexpress in my database. There may be some other items though.
| Image | Product (link) | Price | Coupons |
|---|---|---|---|
 |
Convoy S21A SST20 Flashlight | 17.79 USD | – |
 |
Convoy S21A SST40 Color Flashlight | 20.65 USD | – |
 |
Convoy S21A SST40 Flashlight | 20.65 USD | – |
 |
Convoy S21A 519A R9080 Flashlight | 20.78 USD | – |
 |
Convoy S21A SST40 Flashlight | 22.30 USD | – |
 |
Convoy S21A SST40 Flashlight | 23.40 USD | – |
More on Aliexpress… Here are coupons that you can use.
Price history and price alert
Price history (for all/most countries) for Convoy S21A SST40 Flashlight is here.
Price records source(s): Gearbest, Banggood
Click on image to enlarge. 
You can set price alert (for Banggood).