NOVELTY - Battery quick-release structure comprises chassis (1), support unit (2), battery case (3), 2 detents, 2 retainers (5), 2 connection rods (6), handle (7), and elastic members (8). The support unit is securely connected to the chassis and comprises a bar and bracket members. The bracket members hold an edge of the battery case, the bar stretching across the bracket members and being fixed to the chassis. Each retainer is disposed on the bar. The battery case is provided with a recessed portion for engagement with the bar.    USE - For an electric mobility scooter.    ADVANTAGE - The structure achieves easy and safe operation by locking the battery case to the chassis and allowing it to be picked up simply by pulling up a handle.    DETAILED DESCRIPTION - The battery quick-release structure for an electric mobility scooter comprises chassis, support unit, battery case, 2 detents, 2 retainers, 2 connection rods, handle, and elastic members. The support unit is securely connected to the chassis and comprises a bar and bracket members. The bracket members hold an edge of the battery case, the bar stretching across the bracket members and being fixed to the chassis. Each retainer is disposed on the bar. The battery case is provided with a recessed portion for engagement with the bar. Each detent is curved in shape and pivotally connected to the battery case. A first end of each detent is a barb-type portion for engagement with a respective retainer to secure the battery case to the chassis, a second end of each detent is pivotally connected to a first end of a respective connection rod, a second end of each connection rod being connected to the handle, and each elastic member is being connected to the second end of a respective detent and the battery case respectively.    DESCRIPTION OF DRAWING(S) - The figures are side sectional views of the structure before assembly and as assembled.    Chassis (1)    Support unit (2)    Battery case (3)    Retainers (5)    Connection rods (6)    Handle (7)    Elastic members (8)