Lenovo A7-40 (English) Important Product Information Guide - Lenovo A7-40/A7-5 - Page 6

Important safety and handling information Charging method Display on Display off ac adapter Supported, but the Supported battery will charge slowly. USB connection between Supported, but will Supported, but the battery the dc-in connector on the compensate will charge slowly. device and a USB power connector on a personal consumption and computer or other device the battery will that comply with the USB charge more 2.0 standards. slowly than usual. Users have to use the connection to USB interfaces with USB 2.0 version or higher. Notes: Display on: Device on Display off: Device off or in screen lock mode Charging devices might become warm during normal use. Ensure that you have adequate ventilation around the charging device. Unplug the charging device if any of the following occurs:  The charging device has been exposed to rain, liquid, or excessive moisture.  The charging device shows signs of physical damage.  You want to clean the charging device. Lenovo is not responsible for the performance or safety of products not manufactured or approved by Lenovo. Use only approved Lenovo ac adapters and batteries. 5