Stable voltage dry battery for generator room High capacity & high magnification Small order and OEM are ... Description:Zn/Mn battery, R40battery, No.6 battery, high-power battery, environmental battery, Hg ,lead and Cd free, high capacity, high magnification Chemical system Zn ... long storage period and safe, R40 battery is the emergency power supply4, high quality and reasonable price5, No Voltage ...