You can create price alert here, copy coupons and view price history. What is best price?
Model: Pacer V45A, Size: 44.6x41x7mm, Con. Current: 45A, Burst Current: 55A (10S);, Item Name: 45A 3-6S BLheli_32 4In1 Brushless ESC, Firmware: Tmotor_32Bit, Weight: 20g, Input Voltage: 3-6S Lipo, Mounting Hole: 30.5×30.5mm M3
Aliexpress
There’re some similar (or not) items on Aliexpress
| Image | Product (link) | Price | Coupons |
|---|---|---|---|
 |
T-MOTOR VELOX PACER V45A V2 P50A 4in1 ESC 3-6S Lipo 32BIT 10V/2A BEC Speed Controller BHLeli 30.5×30.5mm for FPV RC Racing Drone | $67.51 | – |
Click here to search by yourself. Here are coupons that you can use.
Latest coupon code price check (UTC time):
Banggood
Banggood warehouse is located in China.
Link: Banggood product page
1. ($31.41): bGhOnEy10
2. ($31.41): BgoFErTaSchInA10
3. ($31.41): BgcLuBofErtA10
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/5cd
Old coupons (from the oldest to the newest): BGTT10, BGdragonBoat, BGSS10%SW, bgshOOp10
(there’s a little possibility that old coupon will work)
Price history and price alert
Here is price history (for all/most countries) for 30.5×30.5mm T-Motor PACER V45A 45A 3-6S RC ESC.
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)).