You can create price alert here, copy coupons and view price history. Do you want to know what the best price is?
for 12 V and 24 V
Aliexpress
There’re some similar (or not) items on Aliexpress
| Image | Product (link) | Price | Coupons |
|---|---|---|---|
 |
12V 12 V 24V Truck Car Battery Capacity load Tester MDXT-600 40-2000 CCA 12 Volt 12-volt 20 AMP With Color TFT LCD Screen | $148.29 | – |
Click here to search by yourself. Here are coupons that you can use.
Latest coupon and price update (UTC):
Banggood
Banggood warehouse is located in China.
Link: Banggood product page
1. ($29.99): BG95279
2. ($31.67): BG10OFFAFF
3. ($31.67): BGwhielabel
4. ($34.19): 13f142
just apply this code in your cart after clicking “Proceed to checkout”. Click to copy code and open shop.
Exclusive Allowance Coupons: https://bit.ly/3xWgD9k and https://couponsfromchina.com/short/5cd
Old coupons (from the oldest to the newest): bGhOnEy10, BG3412, BGCARELEC, BGINMO, BGAFF10OFF, BGCuponation10
(I don’t think these’re gonna work, but you can try ’em out anyway)
Price history and price alert
Check out price history chart (for all/most countries) for MDXT-600 12V 24 V Car Battery Tester.
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)).