$49.99 – UNI-T Solar MPPT Meter UT673PV 5-800W Solar Power Maximum Point Tracker (Banggood, Aliexpress: UNI-T Solar MPPT Meter UT673PV 5~800W Solar Power Maximum Point Tracker MPPT Tester with Pmax Voc Isc Measurement Large LCD Display Over Voltage and Current Protection Ideal for PV Panel Testing and Maintenance – red (the best price with coupon)).
According to my DB the lowest price is $49.99 for UNI-T Solar MPPT Meter UT673PV 5-800W Solar Power Maximum Point Tracker (in Banggood). Basically copy coupon, view price history or create e-mail price alert. What is the best price?
Latest price update (UTC time):
Banggood ($49.99)
Banggood warehouse is located in China. Too bad there’s no coupon right now in Banggood. Low/high price? Hmmm, price is higher than average (which is $45.74 right now), so better set price alert down below…
Link: Banggood product page
Price: $49.99
Exclusive Allowance Coupons: https://bit.ly/3xWgD9k and https://couponsfromchina.com/short/feV
Old coupons (from the oldest to the newest): BGeda4ae, BGf43576
(probably won’t work, but you can try them out)
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
Do you need price history chart (for all/most countries) for UNI-T Solar MPPT Meter UT673PV 5-800W Solar Power Maximum Point Tracker? There we go. The lowest price was: $45.49.
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)).