Aliexpress
Click here… to search for LA03-5500 5500mW 445nm Blue Laser Module w/ Heat Sink [EU] on Aliexpress
Here are coupons that you can use.
Latest price update (UTC time):
Banggood
Banggood warehouse is located in Europe 
. I don’t want to misguide you about the price. I don’t know if it’s good, because I don’t have enough records in my database… There is one coupon available! Pretty cool, huh?
Link: Banggood product page
Coupon (178.59 USD): BG589b2e
(CouponsFromChina.com tip: you should apply the coupon in your cart after clicking “Proceed to checkout”. Click to copy code and open shop)
Exclusive Allowance Coupons: https://bit.ly/3xWgD9k
Old coupons (from the oldest to the newest): BG92afd8
(these coupons are old, so probably won’t work)
Price history and price alert
We don’t have enough records in database to show price history for this item. BTW: We have only recorded this price: 99.99 USD.
You can set price alert (for Banggood).