Basically copy coupon, view price history or create e-mail price alert. What is best price?
Screw port: 1/4 inch, Battery: 3.7V 2000mAh battery
Aliexpress
There’re some similar (or not) items on Aliexpress
Click here to search by yourself. Here are coupons that you can use.
Latest price update (UTC time):
Price history and price alert
There is only one database record (it was for $76.8), so you can’t see price history chart.
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)).