Feature:1. Emergency Charging: You can charge your phone wherever you are and make calls while on the move without needing fixed power source. 4pcs 18650 batteries, LCD display battery voltage, current and battery remaining, you can easily remove the battery to power other devices.2. Fashion Trend: Fashionable appearance, professional design, leading fashion, lightweight, elegant.3. Lightweight and Portable: It can be carried in your pocket, wallet, briefcase or suitcase when you go out for business or travel. It can replenish energy for your mobile phone in time when it is out of power.4. Safe and Reliable: Adopt over voltage and over current protection, take good care of your mobile phone and your mobile phone battery.5. Wide Applicability: Suitable for all kinds of mobile phones, changing different connection line, can also charge MP3, MP4, digital camera, tablet computer and other products, DC 5V universal power supply.Specification:Item Type: 18650 Welding Free Battery Storage BoxWeight: Approx.90g / 3.2ozModel: M09BMaterial: ABSBattery Type: 4pcs 18650 Battery (Battery Not Included)Output Port: USB1 5V 1A, USB2 5V 2AInput Port: Micro, Type C 5V 2AScope Of Application: Support All Types Of Mobile Phone Charging.Package List:1 x Battery Box