Battery case for an electric motor-driven vehicle

A battery case 5 for an electric motor-driven vehicle includes a first housing part 9 and a second end connected to the first housing portion 9 housing part. 5 Through the housing portions 5, 9 is a battery chamber is enclosed. The housing portions 5, 9 have a connecting flange 6,. 9 The connecting flange 6 at least one of the two housing parts 5 has at least one supporting projection 9 projecting towards the connecting flange 11 of the other housing part 7 on as a support for the connecting flange 11 of the other housing part. 9 The two connecting flanges 6, 11 of the housing parts 5, 9 are provided at a distance from the supporting protrusion 7 biased interconnected.