Just check coupons out (with price alert and history). Best price?
Size 5.3×3.46inch, Charging USB/solar, Waterproof IPX6, Charging time 1-1.5h, Input voltage DC5V 1A, Light mode High bright – medium bright – low bright (15lm – 40lm – 80lm), Material ABS, Battery capacity 1200mAh, Weight 232g, UV wavelength 360-400 nm
Aliexpress
There’re some similar (or not) items on Aliexpress
| Image | Product (link) | Price | Coupons |
|---|---|---|---|
 |
3 LED Hand Pressing Crank Power Torch Wind Up Flashlight Solar Power Tent Light Hand Press Crank Camping Lamp Light for Outdoor | $13.44 | – |
Click here to search by yourself. Here are coupons that you can use.
Latest coupon and price update (UTC):
Banggood
Banggood warehouse is located in China. Only one coupon available!
Link: Banggood product page
1. ($11.65): BG00c906
just apply this code in your cart after clicking “Proceed to checkout”. Click to copy code and open shop.
Exclusive Allowance Coupons: https://bit.ly/3xWgD9k and https://couponsfromchina.com/short/5cd
Old coupons (from the oldest to the newest): BGde1e92, BG4d9120, BGAlerabatod, BGAlerabatdo, 00c906, BGe46870, BG7280ff, BGeb3f38, BG2bb7a1, BG5d2ea4, BGoutravel8, BG369949, BGe04f4f, BG5283d7, 0da6ab, BGc363fd
(these coupons are old, so probably won’t work)
Price history and price alert
Check out price history chart (for all/most countries) for Thorfire Solar Mosquito Killer Lantern.
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)).