Brand: BTYModel: AACapacity (m Ah): 2500 Capacity Range (m Ah): 2500-3000 Cell type: Ni-MHRechargeable: Yes Charging Time (h): 2.5 Charge Lifetime: Up to 1000 Times Voltage (V): 1.2 Units Per Box: 4 Dimensions (cm): 1.97 in x 0.55 in x 0.55 in Weight (kg): 0.1>