Input: AC 110-240V 50/60Hz (adapter), DC 12V 4A (charger), Output: 8x 1.5V / 3.6V / 4.2V / 4.3V / 4.35V + / – 0.05, 0.1A / 0.25A / 0.5A / 1A.
Aliexpress
There’re some similar (or not) items on Aliexpress
You can use link bot to get even lower price:
Click here to search by yourself. Here are coupons that you can use.
Updated:
Price history and price alert
It doesn’t make sense to generate price history chart, because there is one price record which is: $50.5.
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)).