ANTPO MFI Certified SmartIC Tech 6-Ports USB Wall Charger, 40-Watt, White 100% Safe Charging: Multi USB charger with super intelligent microcomputer chip. Prevent your device from overcharge, overheating, and short circuit ,safe and reliable. Note: Please use your device's original cable or a third-party certified cable, poor quality USB cable may result in charger short circuit 6 Ports Smart Charging Station for Multiple Devices: Detects your device to deliver its fastest possible charge speed up to 2.4 amps per port or 8 amps overall The ANTPO Tower Charger puts out 40 Watts and 8 Amps total. The ports safely & dynamically alter charge output for the most efficient charging times. Travel Companion: The ANTPO Multi USB Charger is also a great travel charger option as it is capable of handling either 110v to 240v. Despite its powerhouse charging ability it is easily portable due to its small size