Aliexpress
Here are coupons that you can use.
Other warehouses/versions
This item is available in 1 another warehouse/version!
1. China – Astrolux BC6 2000lm Bike Headlight (19.99 USD)
Latest price update (UTC time):
Banggood
Banggood warehouse is located in Europe 
. I have no active coupons for you right now. I don’t really know if this price is reasonable, coz there’s no price history in my DB.
Link: Banggood product page
Price: -3 USD
It looks like this item is out of stock in Banggood. If you found it then please send me the link. I will replace it.
Click here to search on Banggood!
Exclusive Allowance Coupons: https://bit.ly/3xWgD9k
There were country-specific coupon codes published on Couponsfromchina social channels and price alerts. Coupon price may vary by country, because there’re different VAT rates, shipping cost etc. There is a chance that some latest coupons are still working:
Coupon (2.4.2024, $19.99): BGSKBC6
Item: Astrolux BC6 2000lm Bike Headlight
Countries: CzechRepublic, Portugal, Slovakia(SlovakRepublic), Slovenia, Spain
Coupon (15.3.2024, $18.99): BGGRBC6A
Item: Astrolux BC6 2000lm Bike Headlight
Countries: Greece
Coupon (8.3.2024, $18.99): BGPLBC6
Item: Astrolux BC6 2000lm Bike Headlight
Countries: Croatia, CzechRepublic, Hungary, Poland, Slovakia(SlovakRepublic), Slovenia
Old coupons (from the oldest to the newest): BGALBC66, BGALBC6, BG63033d, BGALBCC6, BGTYBC6, BGTYQM7, BGTYASR4, BGf6c51f
(probably won’t work, but you can try them out)
Other warehouses/versions
This item is available in 1 another warehouse/version!
1. China – Astrolux BC6 2000lm Bike Headlight (19.99 USD)
Price history and price alert
There is only one database record (it was for 22.99 USD), so you can’t see price history chart.
You can set price alert (for Banggood).