... rechargeable battery packFeatures:a) Long life cycle, exceeding 500 charge and discharge cycles b) Avoid maintenance, simple operation like primary batteries ... , although its nominal voltage is 1.2V, thistype of batteries can be completely applied to the equipment with 1.5V ... at the 35to 70 centigrade high temperature, this type of batteries have high charge efficiencyof low currentb) Long life cycle ...