Just check coupons out (with price alert and history). Let’s see what best price is ATM.
Color Black/White, USB-A Output 5V=3A / 9V=3A / 12V=2.5A.15V=2A / 20V=1.5A, Input AC 100V-240V- / 50/60Hz / 1.2A MaŃ…, Compatible Devices Smartphones / Tablets / Laptops, Brand Baseus, Name Baseus Super Si Pro Quick Charger USB-C+USB QC3.0 30W, Type-C+ USB-A Output 18W+12W, Type-C Output 5V=3A / 9V=-34 / 12V=2.5A /15V-2A / 20V=1.5A, Material ABS
Aliexpress
There’re some similar (or not) items on Aliexpress
| Image | Product (link) | Price | Coupons |
|---|---|---|---|
 |
Baseus Super Si USB C Charger 20W | $0.99 | – |
 |
Baseus Super Si USB C Charger 20W | $0.99 | – |
 |
Baseus Super Si USB C Charger 20W | $8.25 | – |
 |
Baseus Super Si 30W USB C Charger | $9.68 | – |
 |
Baseus 30W PD Super Si USB C Charger For iPhone 12 Pro Max Support QC3.0 Fast Charging Portable Phone Charger For iP 11 Pro Max | $10.65 | – |
 |
Baseus Wireless Super Car Pump Pro | $36.54 | – |
 |
Baseus Super Si Power Inverter 300W 12V to 220V | $52.22 | – |
 |
Baseus Super Si Power Inverter 300W 12V to 220V | $69.69 | – |
 |
Baseus Super Si Power Inverter 300W 12V to 220V | $87.20 | $1/10 coupon “TGOXAQ1D1GDU” |
 |
Baseus Super Energy Ultra 135W 99.2Wh 26800mAh Power Bank Car Jump Starter | $154.89 | – |
Click here to search by yourself. Here are coupons that you can use.
Latest coupon and price update (UTC):
Banggood
Banggood warehouse is located in China. Only one coupon available!
Link: Banggood product page
1. ($21.24): BG85d5c6
coupon code has to be applied in shop’s 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): BGf28cc8, BGb74ec9, BANGGOODSD, BGCCARG
(you can check these old coupons out, but these probably won’t work)
Price history and price alert
Price history (for all/most countries) for Baseus Super Si Pro 30W PD QC3.0 Wall Charger is here.
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)).