Description: Features: Compatible Models: Most smartphone batteries Power input from micro USB cable (NOT Included) Circuit Protection LED status indicator Input:for DC 5V \/ 500mA - 2000mA Output:for DC 4.35V \/ 450mA - 1700mA Battery Length (from side with connectors to opposite): Min: 59mm; Max: 90mm Package Included: 1 x External Battery Charger More Details: