$10.59 – Weight 0.06KG, Input voltage 12V-24V, Light Color Blue/Red/Green(Optional), Color Black, Placement on vehicles Interior, Material ABS plastic, Output voltage 5V/9V, Max Single Usb Output DC 5V/3A;9V/2A;12V/1.5A, Item size 23x33mm ≈0.9×1.3inch.
According to my DB the lowest price is $10.59 for Dual USB QC Car Charger Socket Power Adapter 12-24V (in Banggood). Get coupons, create price alert or check price history out! What is the best price?
Latest price update (UTC time):
Banggood ($10.59)
Banggood warehouse is located in China. I couldn’t find any coupon for this product on latest product update. Is it a reasonable price for this item? Hmmm, price is higher than average (which is $7.99 right now), so better set price alert down below…
Link: Banggood product page
Price: $10.59
Additional Banggood coupons: first page and second page
Old coupons (from the oldest to the newest): BGSCM11, BGCarEle5, BG845979, BGLMQ15, BGAMMT03
(system checks these coupons on every price check (like once per 24 hours), but you can check them out anyway)
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.
Price history and price alert
Price history (for all/most countries) for Dual USB QC Car Charger Socket Power Adapter 12-24V is here. The lowest price was: $6.99.
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)).