$18.99 – GR2PW AC50-320V 100A Smart Electricity Meter Tuya WiFi Din Rail Power Energy Meter Digital Display Monitor Voltage Curve Ammeter.
When I was updating this page the price was $18.99 for Atorch Tuya AC50-320V Smart Life Din Rail WIFI Smart Energy Meter (in Banggood). Check coupons or create price alert down below. Let’s see what best price is ATM.
Latest coupon code price check (UTC time):
Banggood ($18.99)
Banggood warehouse is located in China. I’m afraid that there’s no working coupon in Banggood. Good or bad price? From what I can see this price is higher than average price ($17.97).
Link: Banggood product page
Price: $18.99
Additional Banggood coupons: first page and second page
There were country-specific coupon codes published on Couponsfromchina social channels and price alerts. Coupon price may vary by country, because there’re different VAT rates, shipping cost etc. There is a chance that some latest coupons are still working:
1. (2.4.2025, $15.99): BGba271c
Item: Atorch Tuya AC50-320V Smart Life Din Rail WIFI Smart Energy Meter
Countries: Croatia, CzechRepublic, Greece, Hungary, Poland, Romania, Slovakia(SlovakRepublic), Slovenia
Old coupons (from the oldest to the newest): BGcac934
(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
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 Atorch Tuya AC50-320V Smart Life Din Rail WIFI Smart Energy Meter. The lowest price was: $16.49.
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)).