Aliexpress
Click here… to search for KONNWEI KW720 Car Battery Tester With Integrated Printer on Aliexpress
Here are coupons that you can use.
Latest price update (UTC time):
Banggood
Banggood warehouse is located in China. One coupon is available. Cool!
Link: Banggood product page
Coupon (140.79 USD): BGSCM75
(CouponsFromChina.com tip: you should apply the coupon in your cart after clicking “Proceed to checkout”. Click to copy code and open shop)
Exclusive Allowance Coupons: https://bit.ly/3xWgD9k
Old coupons (from the oldest to the newest): BG3e9c4b, BGdcbfa8, BGfc41d0
(these codes were not working in latest coupon update, but you can check them out anyway)
Price history and price alert
Do you need price history chart (for all/most countries) for KONNWEI KW720 Car Battery Tester With Integrated Printer? There we go.
Price records source(s): Banggood
Click on image to enlarge. 
You can set price alert (for Banggood).