Input for Lightning: 5V/2.1A, Output 2: 5V 3A Or 9V 2A Or 12V 1.5A, Size: L16.7CM*W8CM*H3.28CM, Color: White Weight: About 671g, Input for Micro USB: 5V 2A or 9V 2A, Specifications: , Input for Type- C(2 way QC): 5V 2A or 9V 2A, Capacity: 30000mAh, Output (Type-c): 5V 3A Or 9V 2A Or 12V 1.5A, Output 1: 5V 2.1A.
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.
Updated:
Banggood
Warehouse in China.
Link: ROMOSS Sense 8P+ 30000mAh Power Bank 18W
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!
Additional Banggood coupons:
1. First page
2. Second page
Price history and price alert
Do you need price history chart (for all/most countries) for ROMOSS Sense 8P+ 30000mAh Power Bank 18W? There we go. The lowest price was: $41.39.
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)).