Innergie 30D supports charging for all smartphone brands, with outputs maximum 18 watts + 12 watts.
Mobile Series is designed for mobile devices that requires a lower wattage than One For All series, hence it can only charge smartphone and tablets.
24D has two USB-A ports at 24 watts output whereas 30D has one USB-C PD port and one USB port at 30 watts outputs.
Yes, all Innergie products have InnerShield™ Protection. Mobile series also have a 3-year limited warranty.