Product size: diameter 99*8MM
Working temperature: -10-40 degrees Celsius
Input voltage: 5.0V
Output voltage: 5.0V
Maximum charging current: 2.1A
Maximum output current: 1A
Charging time: 3 hours
Packing size: 115*115*28mm
Transport temperature: -20-50 degrees Celsius
Input power: power adapter, computer USB charging, mobile power