Samsung Rapid Recharger 2 in 1 System Discharge Time 0 to 60 minutes Cycle Life - 1,000+ Charge Input Voltage - 4.5 - 5.5V Charge Input Current - 10 - 500mA Capacity - 750mAh Rechargeable worldwide via USB Efficient, highly engineered and micro-controlled universal charging system Real-time, accurate read-out LCD display Unit Dimensions - 1.0 x 4.3 x 0.55 Inches; Weight - 1.23 ounces