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 tr...