When I was updating this page, then coupon price was 26.99 USD for 180W 4 USB Car (in Banggood). Just check coupons out (with price alert and history). Let’s see what best price is ATM.
Latest price update (UTC time):
Banggood (26.99 USD)
Banggood warehouse is located in China. I think you want to know if the price is good. From what I can see this price is higher than average price (18.59 USD). One coupon is available. Cool!
Link: Banggood product page
Price without coupon: 29.99 USD
Coupon (26.99 USD): BGAMMT03
(CouponsFromChina.com tip: 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
Old coupons (from the oldest to the newest): BG109f36, BGCarEle4, BGSCM11, BGCarEle5, BGLMQ15, BGCAR639
(probably won’t work, but you can try them out)
Aliexpress
Click here… to search for SLW002 180W 4 USB Car Charger Socket QC3.0 on Aliexpress
Here are coupons that you can use.
Price history and price alert
Here is price history (for all/most countries) for SLW002 180W 4 USB Car Charger Socket QC3.0.
Price records source(s): Banggood
Click on image to enlarge. 
You can set price alert (for Banggood).