Aliexpress
Click here… to search for 5pcs DC 2V-24V To 5V-28V 2A Step Up Boost Converter on Aliexpress
Here are coupons that you can use.
Latest coupon and price update (UTC):
Banggood
Banggood warehouse is located in China. I don’t really know if this price is reasonable, coz there’s no price history in my DB.
Link: Banggood product page
Coupon (5.00 USD): Cuponation9
Coupon (5.16 USD): BG00c906
(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): Tabby20, 2203ActiesNL, BG1efeb0, MVC8SPRING, BGJUNEGSG9, 9OFFSUMMER
(I don’t think these’re gonna work, but you can try ’em out anyway)
Price history and price alert
Well, you won’t see price history chart, coz we have only 1 database record for this item (and price was 4.94 USD).
You can set price alert (for Banggood).