Air cleaner and home appliance

An air cleaner includes a first air cleaner having an output part, a second air cleaner configured to be electrically connectable to the first air cleaner, a power adapter detachably provided to supply power to the second air cleaner, a first input terminal provided in the second air cleaner and configured to be electrically connected to the output part, a second input terminal provided in the second air cleaner and configured to be electrically connected to the power adapter; and a switch configured to electrically connect the first input terminal to the output part or to electrically connectthe second input terminal to the power adapter. 一种空气净化器，包括：第一空气净化器，其具有输出部；第二空气净化器，其被配置为可电连接至第一空气净化器；电源适配器，其可拆卸地被设置为向第二空气净化器供电；第一输入端子，其被设置在第二空气净化器中并被配置为电连接至输出部；第二输入端子，其被设置在第二空气净化器中并被配置为电连接至电源适配器；以及开关，其被配置为将第一输入端子电连接至输出部或将第二输入端子电连接至电源适配器。