... charger could charge all iphones and Ipad,other mobile phone External battery charger for Iphone 4SProvides 360° protection for Apple's iPhone ... , anti-overcurrent, anti-overload3)Compose Type : Injection Technology to make battery more stable4)Certifications : CE,,FCC, RoHS,ISO90015) Long life cycly ... quality9) Good consistency, low self discharge10) Light weight, small size External battery 2Ah-5Ah