• Provide overcharge, short circuit, overload and overheat protection to ensure safe use
• Easy to use, simply connect the AC cable to the laptop to charge the battery
• The USB port allows you to charge other devices like your phone at the same time
• All products are 100% tested and guaranteed to work with most tablets
• The power supply is easy to install and remove
• Made of tinned copper for fast charging
• Has electromagnetic immunity and provides short circuit/overvoltage protection/overvoltage protection
• Compatible with Microsoft Pro5 / Pro4 / Pro3, surface book 2017, surface 1706/ 1800/ 1735/ 1736

Specifications:

• Input: 100-240V; 50-60Hz
• Output: 15V/4A; 5V/1.5A
• Length: 1.2m