39.99 USD – that is current price with coupon for 2000mAh Rechargeable Desk (in Banggood). Basically copy coupon, view price history or create e-mail price alert. Let’s see what best price is ATM.
Latest coupon and price update (UTC):
Banggood (39.99 USD)
Banggood warehouse is located in China. Hmmm… There is no active coupon in Banggood at this moment. Is it a reasonable price for this item? This price is higher than average price (38.12 USD) for this item.
Link: Banggood product page
Price: 39.99 USD
Old coupons (from the oldest to the newest): BG589b2e, BG8FORMULAMX
(I don’t think these’re gonna work, but you can try ’em out anyway)
Aliexpress
Click here… to search for Mijia 2000mAh Rechargeable Desk Lamp on Aliexpress
Here are coupons that you can use.
Price history and price alert
Here is price history (for all/most countries) for Mijia 2000mAh Rechargeable Desk Lamp.
Price records source(s): Banggood
Click on image to enlarge. 
You can set price alert (for Banggood).