Functional characteristics: storage of electrical energy: lithium batteries are in-house, which can be recharged by chargers or by the computer usb port and stored for subsequent use. Charging at any time or place: a chargeable service for electronic equipment such as mobile phones can be provided at any time without relying on the power outlets on the walls. Quick charge: use the latest fast charge technology to restore power to the equipment in a short time and save efficiency. Performance parameter: capacity: has an excess capacity that provides sufficient power to mobile phones or other electronic devices and is more sustainable. Output currents vs. Voltage: generally, the amount of charge capital output currents varies from 1a-2. 4a to 5v. Compatibility and appliance: a high degree of compatibility: mobile phones and other electronic devices that apply to various brands and models to meet multiple uses. Wide application: in such settings as travel, outdoor exercise, business trips, shopping and leisure, chargeable beverages can help users charge mobile devices at all times and wherever they are and ensure that the equipment remains in sufficient power. Design and material: portable: small-looking design, easy to carry, easy to put in backpacks, pockets or handbags, ready to be used anywhere. High-quality materials: they are made of high-quality materials that have good durability and reliability and can work even under environmental challenges. Safety protection: smart tip: a smart tip is available to display the remaining power and charging state in real time and to enable users to understand the power. Safety and security: has multiple safety and security functions such as excessive protection, excess protection and temperature protection to ensure that equipment is not damaged during use. Appearances and personalization: fashion appearances: there are a variety of options available, and users can match their individual preferences。