SCUD mobile charger for iPhone, iPad, iPod, Blackberry 1. Capacity 4100mAh 2. Lifespan 500 times SCUD mobile charger 4100mAh for iPhone, iPad, iPod, BlackberryFeatures ... .5. Lower self-discharging rate, product can standby for three months when fully charged.6. With safety design ... -renowned companiesCertified by BUREAU VERITAS CHINA/ SCUD mobile charger 4100mAh for iPhone, iPad, iPod, Blackberry