Easily charge your USB powered devices such as your iPad, iPod, iPhone, Samsung, Android, cellular phones, MP3 players, PDAs and GPS. This charger allows for two of your devices to be simultaneously charged. The dual port interface uses your existing USB cables to let you plug in and get charged.

Compatible Devices

Port 2.4A: Outputs 2.4 Amps Max -- Apple Protocol (A-Port, A Standards for Apple)
Port 1A: Outputs 1 Amps Max -- Standard Protocol (S-Port, S standards for Standard)

USB Port 1 (labeled as 2.4A, Designed for Apple products) Compatibility
iPad @ 2.4 Ampere Max.
iPhone / iPod Touch @ 1 Ampere Max.
Others phones / GPS / Tablet etc. @ 0.5 to 1 Ampere Max. (May not support charging of some devices)
USB Port 2 (labeled as 1A, designed for non apple products) Compatibility
iPhone / iPod Touch @ 1 Ampere Max.
Others Android Smart phones such as Samsung Galaxy, HTC / GPS / Tablet etc. @ 1 to 2 Ampere Max.
NOTE: Currently known support tablets: Amazon Kindle Fire & all other Kindles, Nook Color / Tablet, HTC Flyer, Huawei Tablets. [May NOT compatible with Motorola XOOM, Asus transformer Tablets].

Specifications
DC Input Voltage: 12 VDC to 24 VDC
Output Voltage: 4.75 VDC min 5.25 VDC max
Output Current: 0A min 2.4A max
Over-Current Protection: 3.5A
Short-Circuit Protection
Overheating Protection
Operating Temp: 0 ~40 deg C