A utility pump (10; 200) comprising: a housing configured with a series configuration of integral pumps, and also configured with a battery receiving portion having electrical terminals (18a, 18b) for receiving power for providing to the series configuration of the integral pumps, and a battery, characterized in that the battery has a protruding body with corresponding electrical terminals (22a, 22b) configured to contact the electrical terminals (18a, 18b) on the battery receiving portion to provide the power to the series configuration of integral pumps when the protruding body of the battery is inserted into the battery receiving portion of the housing and rotated in one direction to an "ON" position, and also configured so as not to contact the electrical terminals (18a, 18b) when the battery is not rotated to the "ON" position, wherein the battery receiving portion has an internal wall configured with at least one axial channel (32a, 32b) therein; and the protruding body of the battery has an external wall (34a; 34b) having at least one protruding portion (36a, 36b) configured to engage the at least one axial channel (32a, 32b) for guiding and orienting the battery when inserted into the battery receiving portion in a first rotational position; and wherein the internal wall of the battery receiving portion is configured with at least one partial circumferential channel; and the at least one protruding portion (36a, 36b) of the battery is configured to engage the at least one partial circumferential channel for rotating the battery from the first rotational position when the protruding body of the battery is inserted into the battery receiving portion of the housing into either a second rotational position, including the "ON" position where the utility pump (10; 200) is turned "ON", or to a third rotational position, including the "OFF" position where the utility pump (10; 200) is turned "OF". a housing configured with a series configuration of integral pumps, and also configured with a battery receiving portion having electrical terminals (18a, 18b) for receiving power for providing to the series configuration of the integral pumps, and a battery, characterized in that the battery has a protruding body with corresponding electrical terminals (22a, 22b) configured to contact the electrical terminals (18a, 18b) on the battery receiving portion to provide the power to the series configuration of integral pumps when the protruding body of the battery is inserted into the battery receiving portion of the housing and rotated in one direction to an "ON" position, and also configured so as not to contact the electrical terminals (18a, 18b) when the battery is not rotated to the "ON" position, wherein the battery receiving portion has an internal wall configured with at least one axial channel (32a, 32b) therein; and the protruding body of the battery has an external wall (34a; 34b) having at least one protruding portion (36a, 36b) configured to engage the at least one axial channel (32a, 32b) for guiding and orienting the battery when inserted into the battery receiving portion in a first rotational position; and wherein the internal wall of the battery receiving portion is configured with at least one partial circumferential channel; and the at least one protruding portion (36a, 36b) of the battery is configured to engage the at least one partial circumferential channel for rotating the battery from the first rotational position when the protruding body of the battery is inserted into the battery receiving portion of the housing into either a second rotational position, including the "ON" position where the utility pump (10; 200) is turned "ON", or to a third rotational position, including the "OFF" position where the utility pump (10; 200) is turned "OF".