One aspect according to the present invention includes a hand-held vacuum cleaner (10; 30; 50; 70) including a cleaner body (11; 31; 51; 71) and a battery pack (20; 40; 60; 80). The battery pack (20; 40; 60; 80) serves as a power source and includes a lithium-ion battery. The battery pack (20; 40; 60; 80) can be mounted to and removed from a cleaner body ( 11; 31; 51; 71 ) without need of operating a cover or the like mounted to the cleaner body (11; 31; 51; 71).
