CHARGER FOR PORTABLE BATTERY

This charger for a portable battery is a charger (1) for a portable battery used in an electric vehicle including a tray (2) in which a battery (100) is placed, a control device (4) which performs charging control of the battery (100), and a frame (33) which is positioned above the control device (4). The tray (2) has a first inclined surface (10a) which is inclined with respect to a horizontal surface and is formed in a length direction (VI) of the battery (100) in a state of being placed in the charger (1), and a second inclined surface (11a) which rises from an end portion on the first inclined surface (10a) in a height direction (V2) of the battery (100) in a state of being placed in the charger (1) and receives a bottom surface of the battery (100). The control device (4) is disposed below the first inclined surface (10a). The frame (33) is disposed between the control device (4) and the first inclined surface (10a) in a vertical direction.