Just check coupons out (with price alert and history). What is the best price?
Power Supply: USB Cable, Overall Height (CM): 39cm, Overall Length (CM): 20cm, Style: Modern Style, Switch Type: Touch, 2200mAh
Aliexpress
I could not find it 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
Here is price history (for all/most countries) for Utorch Foldable Touch Control 2200mAh Desk Lamp.
Price records source(s): Gearbest
Click on image to enlarge. 
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)).