$190.99 – 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.
Use coupon and get KP184 DC Load Battery Capacity Tester for $190.99 (from Banggood). Go down and check coupons out. Remember to check price history if it is available. What is best price?
Latest price update (UTC time):
Banggood ($190.99)
Banggood warehouse is located in China. I don’t think there is an active coupon right now – at least in my database. Isn’t it too expensive? Hmmm, price is higher than average (which is $154.91 right now), so better set price alert down below…
Link: Banggood product page
Price: $190.99
Additional Banggood coupons: first page and second page
Old coupons (from the oldest to the newest): 7d18f7, 13f142, BGCuponation10, 6GSGIT, BG2f9bd9, BGTools8, BGGines, JanBGCoupon8, BGSaleFeb8, BGSaleAD, BGd9aaa6, BG20236Tool
(system checks these coupons on every price check (like once per 24 hours), but you can check them out anyway)
Aliexpress
There’re some similar (or not) items on Aliexpress
You can use link bot to get even lower price:
Click here to search by yourself. Here are coupons that you can use.
Price history and price alert
Here is price history (for all/most countries) for KP184 DC Load Battery Capacity Tester. The lowest price was: $149.75.
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)).