Accuracy: R: 0.5% V: 0.5%, Signal Source: AC: 1kHz At 20mΩ range: 50mA At 200mΩ / 2Ω range: 5mA At 20Ω / 200Ω range: 0.5mA, Speed: 10 times/second, Measurement Range: R: 0.01mΩ ~ 200Ω V: 0.001 V ~ ±75VDCV, Range: R: Automatic and Manual. 5 ranges /V: Automatic and Manual / 3 ranges, Parameters: AC resistance / DC voltage.
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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.
Latest coupon and price update (UTC):
Banggood
Banggood warehouse is located in China. There is one coupon available! Pretty cool, huh?
Link: Banggood product page
1. ($50.99): BG20236Tool
apply it 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/i1u
Old coupons (from the oldest to the newest): BGTR752, BGGines
(sometimes old coupons work, so you can check them out (this site checks them on every price update))
Price history and price alert
Do you need price history chart (for all/most countries) for RC3563 Battery Internal Resistance Tester? There we go. The lowest price was: $50.99.
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)).