Features:

1.A safe stream of power to charger or talk longer on your cell phone.

2.This Emergency charger can up to extra hours of talk time if use emergency charger.

3.Alum.alloy body on this emergency cell phone charger.

4.Up to 120 Minutes of chare time if use this emergency charger.

5.Charging current:310mA maximum(varies with usage conditions)

6.Adds up to 240mAH to devices battery per AA battery

8.Typical efficiency 88%.

9.Open-circuit output voltages 6.7V.

10Indicator LED will light up in red when the emergency charger is charging.

11.Various color could be choose.