Display: TFT 2.4″ LCD Screen(320*240 resolution), Item: WM150 Watt Meter, Input Voltage: 1-50V, Current(Max): 150A (precision: 10mA), Gross Weight(Approx): 140g, Packing Size: 87*87*28mm Approx., Product Size: 80*54*23mm Approx., Output: PWM 1000-2000us@50Hz, USB: 5.0V@1A (USB3.0 firmware update), Net Weight(Approx): 120g.
Check coupons or create price alert down below. You probably want to know what is the best price?
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 price update (UTC time):
Banggood
Banggood warehouse is located in China. There is one coupon available! Pretty cool, huh?
Link: Banggood product page
1. ($31.27): BGMatt2022
just apply this code in your cart after clicking “Proceed to checkout”. Click to copy code and open shop.
Exclusive Allowance Coupons: https://bit.ly/3xWgD9k and https://couponsfromchina.com/short/i1u
Old coupons (from the oldest to the newest): BGWM15012, BGWM15015, BG150A15, 0e7f33, BGSPN15, bGhOnEy10, BGTOOKRC15, BGROK9, BGNEE20, BGTWM20, BGAFF10OFF, BGCuponation10, BG15WM150, BGDAVIS, BGHONEY2110, BGWM150, 13f142, Parts8, BGWM150issam, BGRCParts8, 2022ACTIESNL, Tabby20, BG1efeb0, 8Couponsde, 8BGwbg2204, hoNEYbGdeAlS, BGRCT10, BGJUNEGSG9, BG8ReviTrage, Cuponation9, TTBLACK5
(system checks these coupons on every price check (like once per 24 hours), but you can check them out anyway)
Other warehouses/versions
This item is available in 1 another warehouse/version!
1. Europe – ToolkitRC WM150 150A 50V RC Watt Meter Power Analyzer [EU] ($-3)
Price history and price alert
Check out price history chart (for all/most countries) for ToolkitRC WM150 150A 50V RC Watt Meter Power Analyzer. The lowest price was: $19.99.
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)).