• Capacity: 8800mAh   (2200*4)                                   • Output: 5V 2A
• Input: 5V 1A
• Charging time: 6-8 hours ; 
• Battery Type:18650 
• International Warranty period: 12 months
• Long durability and capacity is still greater than 80% after recharging cycles of 500-1000 times
• Aluminum Case