Features:Safety in use: With safeguards against incorrect voltage, battery overload, short circuit and internal overheating.USB Quick Charging: With a USB port, this USB power supply provides quick charging for most electronic devices such as mobile phones, tablets etc.This product can replace the battery: 18 v DC9096 DE9039 DE9095 DE9096 DE9098 DW9095 DW9096 DW9098 DE9503 batteryExquisite workmanship: This portable tool is well made and made of excellent materials, which will give you a good experience of using it.If you have any questions, please do not hesitate to contact us. We will provide you with better quality products and services.Notice:1.Actual color may be slightly different from the image due to different light effect2.Please allow 1-3cm deviation due to manual measurementDescription:Input parameters: 18-20VOutput parameters: 5V 2.1ARated power: 12WCharging current: 2000 (mAh)