The present invention relates to water pumps used in an amount, for drainage. ; The present invention is completely excluded by using the built-in battery power supply wires for the power, portable, and not only be used in case of emergency such as power failure, while in the electricity supply is difficult, such as an outdoor area that can be used more effectively By having a separate auxiliary power supply, which is used in conjunction with an external power source, and to extend the time available in a row, with the peripheral device such as a remote control or on the charger without wires to simplify the operation and handling It provides a submersible pump. ; water pump has a space part and the space for installing the battery for installation in the motor are isolated from each other and side by side, and the outlet of the vertical discharge passage is discharged to the side of the fluid provided by the present invention and a battery mounted on the frame and the battery mounting space part consisting of a housing in the form of a downwardly open, is provided, at the end of a lower surface of the frame assembly is ejected through the outlet of the suction port and the suction side for the fluid to be sucked while gwanreul of Stand casing for guiding the fluid toward the discharge port and, while positioning the frame and the stand-by state in which the end of the space between the bottom parts of the casing assembly with a plurality of chambers for a plurality of bearings and sensitive for the shaft, the central shaft is supported through the vertical and equipped with a bearing housing which serves to support the motor and the shaft, as arranged in the space portion is assembled on the upper part of the bearing housing and the support shaft is extended to the inside of the casing and stands vertically passing through the center of the bearing housing and the battery-side and characterized in that the electrically connected comprising an impeller mounted on the motor and its operational shaft.
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