Innergie 24M supports charging for all smartphone brands with outputs maximum at 12 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.
These three chargers are all duo port chargers. They are different in wattage. 17M with 2 USB outputs at maximum of 17 watts, 24M with 2 USB outputs at maximum of 24 watts, and 27M with USB-C and USB outputs at maximum of 27 watts.
Yes, all Innergie products have InnerShield™ Protection. Mobile series also have a 3-year limited warranty.