Storage battery protecting device

The utility model relates to a storage battery protecting device, include control of charge and discharge module, the illumination lamps and lanterns that are connected to the battery and be used for controlling the acoustic control module that the illumination lamps and lanterns were opened and close. The control of charge and discharge module is including being used for data operation and sending control command's central data treater, the battery charging unit who goes on charging to the battery and the discharge cell that supplies the external power supply of battery. The acoustic control module includes: memory cell for storage acoustic control instruction data, sound source detecting element for pick up outside acoustic control signal and convey the treater to central data again, by the central data treater according to acoustic control signal openning or close the illumination lamps and lanterns. The discharge cell still includes monitors and the discharge current foldback circuit in return circuit of