Switch position Side, Number of batteries required 1, length 143.8mm, Battery charger includes Not included, Reverse polarity protection yes, Maximum charging current 2A, Mode memory Yes, Lens Type Ar-coated lens, Reflector Smooth, Battery type required 1*21700 battery (not included), Tail stand Yes, Size Head/body/tail diameter; 40mm/27.5mm/29.5mm, Material Aluminum alloy, Product weight 145g, Low voltage warning yes.
Basically copy coupon, view price history or create e-mail price alert. Do you want to know what the best price is?
Aliexpress
There’re some similar (or not) items on Aliexpress
You can use link bot to get even lower price:
| Image | Product (link) | Price | Coupons |
|---|---|---|---|
 |
Convoy M21F Flashlight GT FC40 | $35.95 | – |
 |
Convoy M21F Flashlight XHP70.2 | $39.23 | – |
 |
Convoy M21F MAO 21700 flashlight | $41.38 | – |
 |
Convoy M21F Flashlight SFT40 | $42.07 | – |
 |
Convoy M21F Flashlight GT FC40 | $42.10 | – |
Click here to search by yourself. Here are coupons that you can use.
Latest coupon code price check (UTC time):
Banggood
Banggood warehouse is located in China.
Link: Banggood product page
1. ($38.02): BG8Alerabat
2. ($38.02): BGOutlight10
you should apply the coupon in your cart after clicking “Proceed to checkout”. Click to copy code and open shop.
Additional Banggood coupons: first page and second page
Old coupons (from the oldest to the newest): BGtorch3, FIN5582, BGM21F, BGAlerabat15, BGtorch7, BGtorch2, BGAlerabatI, BGtorch9, BGLED07
(these coupons are old, so probably won’t work)
Price history and price alert
Do you need price history chart (for all/most countries) for Convoy M21F Flashlight KW CULPM1.TG / SFT40? There we go. The lowest price was: $36.8.
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)).