1 Solid USB Port for fast 3.1A fast charging – 100V to 240V Voltage Supply (12W)- Multiple Circuit protection- Best Quality • 1 Solid USB Port . • 1 Hour Full Charge. • 3.1A Strongest Output. • High stability, fire safety materials. • High efficiency, Safe and reliable. • Strict examination and certification, High product quality. • It is compatible with apple devices, Android devices • 12V to 24V voltage supply. • Fast Charging and USB Auto ID Compatible. (ID -Intelligent Identification). • Simple appearance & Safety. • Multiple circuit protection, built-in fuse protective both the products and your equipment. Specification: • Material: Fire-retardant PC engineering plastics • Rated Input: DC12-24V • Rated Output: DC5V=3.1A (Max) 12W various digital devices. At this price range it’s the best quality chager I think you can try it.