Just check coupons out (with price alert and history). You probably want to know what is the best price?
Materials ABS+metal, Guide Plate Length 4 inch, Name Mensela CS-L1 Electric Chain Saw, Working Voltage 21V, Power Supply 2000mAh Rechargeable Battery, Color Red, Brand Mensela
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):
Banggood
Banggood warehouse is located in China. There are no coupons available at this moment in Banggood.
Link: Banggood product page
Price: $-3
It looks like this item is out of stock in Banggood. If you found it then please send me the link. I will replace it.
Click here to search on Banggood!
Exclusive Allowance Coupons: https://bit.ly/3xWgD9k and https://couponsfromchina.com/short/5cd
Old coupons (from the oldest to the newest): BGf6fb69, BG123F2021, BGGines, BGa8f74f, BGGTools8, BGGTT13
(you can check these old coupons out, but these probably won’t work)
Price history and price alert
Check out price history chart (for all/most countries) for Mensela CS-L1 4 Inch Electric Chain Saw with 2 Batteries.
Price records source(s): Banggood
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)).