BATTERY, BATTERY PACK AND AUTOMOBILE

A battery (1), a battery pack (2) and a vehicle (3) are disclosed. The battery (1) includes a housing (10) having a sealed chamber (100), a core (11) packaged in the sealed chamber (100), and a first terminal (12a) and a second terminal (12b) respectively mounted to the housing (10), where the first terminal (12a) is electrically connected to the housing (10), and the second terminal (12b) is insulated from the housing (10). The battery (1) further includes a first tab (13a) and a second tab (13b) respectively led out from the core (11), the first tab (13a) being electrically connected to the housing (10), the first tab (13a) being electrically connected to the first terminal (12a) through the housing (10), and the second tab (13b) being electrically connected to the second terminal (12b).