When I was updating this page the price was 39.99 USD for LED Solar Ceiling (in Banggood). Just check coupons out (with price alert and history). Let’s see what best price is ATM.
Latest price update (UTC time):
Banggood (39.99 USD)
Banggood warehouse is located in China. So I have checked for active coupons (all category coupons and old ones), but there was no working coupon in Banggood. I think you want to know if the price is good. This price is higher than average price (32.66 USD) for this item.
Link: Banggood product page
Price: 39.99 USD
Exclusive Allowance Coupons: https://bit.ly/3xWgD9k
Old coupons (from the oldest to the newest): BG8FORMULAMX
(you can check these old coupons out, but these probably won’t work)
Aliexpress
Click here… to search for 100W LED Solar Ceiling Light with Solar Panel on Aliexpress
Here are coupons that you can use.
Price history and price alert
Check out price history chart (for all/most countries) for 100W LED Solar Ceiling Light with Solar Panel.
Price records source(s): Banggood
Click on image to enlarge. 
You can set price alert (for Banggood).