Price history, coupons and price alert are available on this page. Let’s see what best price is ATM.
you can put 18650 batteries (4 pcs.), Output: DC 5V / 1A, 5V / 2A
Aliexpress
There’re some similar (or not) items on Aliexpress
Click here to search by yourself. Here are coupons that you can use.
Latest coupon and price update (UTC):
Price history and price alert
Price history is not available for this item (not enough database records)! The lowest price was $8.99 though.
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)).