Blackberry 9300 Curve Multi-connector USB Battery Charger
Input voltage: AC100-240V Output voltage: DC4.2-5.2V Output : 4.35V 350mA USB Output: 5.2V 800mA Built-in smart IC chip for over charging protention. Charging stops once battery is full. Never overcharge keeps the performance and life of the battery. More convenience to interchange your standby batteries.