Direct-current portable juicer

The utility model relates to a domestic appliance which is a direct-current portable juicer. According to the appearance, the direct-current portable juicer is formed by combining a pressing cylinder and an outer cavity in a nesting mode, a battery is arranged in the pressing cylinder, a friction disc which is driven by a direct-current motor is arranged on the bottom of the pressing cylinder, a filter screen is arranged in the outer cavity, and the bottom of the outer cavity is a conical surface. When the direct-current portable juicer works, fruits are promoted to be squeezed and rubbed in the outer cavity by pushing and pulling the pressing cylinder with the friction disc on the bottom, so that juicing is achieved, and the purity of fruit juice is further improved through the filter screen; meanwhile, all parts of the direct-current portable juicer can be dismantled to be washed, juicing efficiency is improved, juicing cost is reduced, in this way, the direct-current portable juicer meets the requirement for juicing during traveling of various families, and the good effect that fruit juice is drank instantly after being obtained through juicing is achieved.