Battery capacity: 20000mAh
Battery type: polymer battery
Input voltage: DC 5V/2.1A max
Output voltage: 5W
Size: 139x67.5x16mm
Material: ABS+ PC V1 fireproof material
Battery check: button
Battery display: digital display
Compatible with: iPhone/Samsung/Huawei and other smartphones and tablets with micro/type-c/lightning port