Compatible Models: Most smartphone batteries
Power input from micro USB cable (NOT Included)
Circuit for Protection
LED status indicator
Input:for DC 5V / 500mA - 2000mA
Output:for DC 4.35V / 450mA - 1700mA
Dimension: about 8cm x 2.5cm x 1.7cm/ 3.1" x 0.9" x 0.7"
Battery Length (from side with connectors to opposite): Min: 59mm; Max: 90mm

Package Included:

1 x External Battery Charger
Note: Cable and battery NOT included