Quarkcell AAA Type Model BA1045P1 Nominal Voltage 1.5 Volts Nominal Capacity 250mAh Internal Impedance ≤ 800mΩ @1KHz Operation Temp. -20℃ ~ +50℃ Dimensions Φ10 ±0.2 * 45 ±0.3 mm Weight 9.5±0.5 g Quark-AAAA-ChargerQuark-AAAAAA-Charger