4USB output power bank

Battery type: liquid lithium ion battery (18650)
Applicable type: general purpose
Battery type: cylindrical aluminum shell
Shell material: plastic
Additional function: multi-U port output
Power capacity: external standard 20000 mA
Product size: 164*79* 20mm
Battery specification: 8 18650 batteries
Charging time: 2~4 hours
Input: Micro USB: 5V 2A
Texture: leather grain
Output: USB: 5V /2A
Cycle: the number of charge and discharge cycles ≥ 800
Shell material: PC+ABS
Compatibility: 99% of smart phones and tablet products