NX-300(S)91OPTIONAL ACCESSORIESKNB-47L (Li-ion Battery Pack)■ External View■ SpecificationsVoltage............................................................................ 7.4VBattery capacity ...................................................... 1950mAh■ Schematic DiagramKNB-48L (Li-ion Battery Pack)■ External View■ SpecificationsVoltage............................................................................ 7.4VBattery capacity ...................................................... 2550mAh■ Schematic Diagram560k:PROTECTIONCIRCUITDISCHARGING TERMINALSCHARGING TERMINALSTSSPROTECTIONCIRCUITDISCHARGING TERMINALSCHARGING TERMINALSTSS