I am monitoring price for KP184 DC Load Battery Capacity Tester and it is for $189.99 now (in Banggood). Just check coupons out (with price alert and history). You probably want to know what is the best price?
Communication Mode: RS232/RS485, Measuring precision Current: ±0.05%+5mA, Overpower: Single channel: 410W, Load voltage: DC 1 -150 V, Power supply input fuse: 0.5, Weight: Approx.4000g/141.1oz, Load current: 0-40A, Control precision Current: ±0.05%+5mA, Measuring Precision Voltage: ±0.05%+5mV, Over temperature: 85℃, Size: 300*90*180mm/11.8*3.5*7.1in, Power consumption: < 20 W, Load power: 0-400W, Overvoltage: When the voltage is more than 152V /the load is turned off load, Control precision Voltage: ±0.05%+5mV
Latest coupon code price check (UTC time):
Banggood ($189.99)
Banggood warehouse is located in China. Coupons for KP184 DC Load Battery Capacity Tester? Nope, there’re no coupons in Banggood. I think you want to know if the price is good. Hmmm, price is higher than average (which is $154.91 right now), so better set price alert down below…
Link: Banggood product page
Price: $189.99
Exclusive Allowance Coupons: https://bit.ly/3xWgD9k and https://couponsfromchina.com/short/5cd
Old coupons (from the oldest to the newest): 7d18f7, 13f142, BGCuponation10, 6GSGIT, BG2f9bd9, BGTools8, BGGines, JanBGCoupon8, BGSaleFeb8, BGSaleAD, BGd9aaa6, BG20236Tool
(these codes were not working in latest coupon update, but you can check them out anyway)
Aliexpress
There’re some similar (or not) items on Aliexpress
Click here to search by yourself. Here are coupons that you can use.
Price history and price alert
Price history (for all/most countries) for KP184 DC Load Battery Capacity Tester is here.
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)).