Price history, coupons and price alert are available on this page. Best price?
Aliexpress
There’re some similar (or not) items on Aliexpress
Click here to search by yourself. Here are coupons that you can use.
Latest coupon and price update (UTC):
Rated power: 120W, Battery capacity: 2200mA, Material: ABS + Metal, Max PSI: 150, Discharge time: 30 min, Plug Voltage: AC 110-240v, Inflation time: 4 minutes and 30 seconds, Air Pipe Length: 13.5cm, Operating temperature: – 20 to + 60℃, Color: Black + Yellow, Charging time: 3 hours
Banggood
Banggood warehouse is located in China. Coupons for 150PSI Tire Inflator? Nope, there’re no coupons in Banggood.
Link: Banggood product page
Price: $-3
It looks like this item is out of stock in Banggood. If you found it then please send me the link. I will replace it.
Click here to search on Banggood!
Exclusive Allowance Coupons: https://bit.ly/3xWgD9k and https://couponsfromchina.com/short/5cd
Old coupons (from the oldest to the newest): 502C6B, 20tools, 38fdec, bgssaff9, AFfbG10, TS15prime, BGmuhammad234, TISPrime01, BGNewpart, Tools3, BG2903, BG2020NS, FBCOUPON1, BGAFF10OFF, bGhOnEy10
(these coupons are old, so probably won’t work)
Price history and price alert
Do you need price history chart (for all/most countries) for 150PSI Tire Inflator? There we go.
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)).