9000Mah Strong Power Bank With Dual Output And Power Indicator is made having superior quality lithium polymer battery for having high charging & discharging efficiency with longer life. It is highly appreciated for having slim & stylish body with light weight. This power bank can charge two phones simultaneously at good speed and also helps in maintaining enhanced life of phone's battery. It is provided with LED indicators for showing both charging & discharging status. 9000Mah Strong Power Bank With Dual Output And Power Indicator is also suitable to be used for charging MP3 & MP4 devices and tablets as well.