Battery Type NIMH Rechargeable Cell Battery Pack Model CT-H150-3AA Nominal Voltage 3.6V Typical Capacity 1500mAh Dimension(max) 50mm (L) x 15mm (W) x 45mm (H) Nominal Voltage 3.6V Nominal Capacity 1500mAh Impedance ≤20mΩ Maximum Charge Voltage 1.3V Discharge Cut-off Voltage 1.0V Standard Charge Current 0.1C for 16 hrs Standard Discharge Current 1C Working Temperature Charge:0 ~ 40 °C Discharge:-20 ~ 60 °C. 1)Power Tools, E-Toys 2)E-Tooth Brusher, Brushes Shaver 3)LED Alarm Systerm 4)Digital Cameras 5)Metal Detectors 6)Medical Device. For more information, pls contact me immediately!