I have checked all old coupons and price is 13.99 USD for BX3 1500lm Bike (in Banggood). Basically copy coupon, view price history or create e-mail price alert. You probably want to know what is the best price?
Latest price update (UTC time):
Banggood (13.99 USD)
Banggood warehouse is located in China. Is it cheap? Wow! That’s the lowest price in CouponsFromChina database! You can get coupon down below.
Link: Banggood product page
Price without coupon: 17.99 USD
Coupon (13.99 USD): BGTYQM5
(CouponsFromChina.com tip: apply code in your basket (cart) after clicking “Proceed to checkout”. Click to copy code and open shop)
13.99 USD – This is the best price ever noted in my database!
Exclusive Allowance Coupons: https://bit.ly/3xWgD9k
Old coupons (from the oldest to the newest): BGc7ccd8, BG915480, BGTYTHUR7
(these coupons are old, so probably won’t work)
Aliexpress
Click here… to search for BX3 1500lm Bike Headlight 5200mAh on Aliexpress
Here are coupons that you can use.
Price history and price alert
Check out price history chart (for all/most countries) for BX3 1500lm Bike Headlight 5200mAh.
Price records source(s): Banggood
Click on image to enlarge. 
You can set price alert (for Banggood).