... 2000mAh, 2/ portable charger could charge all iphones and Ipad,other mobile phone External battery case for smart phonesExternal battery charger for Iphone ... -overcurrent, anti-overload3)Compose Type : Injection Technology to make battery more stable4)Certifications : CE,,FCC, RoHS,ISO90015) Long life ... consistency, low self discharge10) Light weight, small size External battery case for smart phones