An aluminium alloy plate and a battery case made of the same are provided to offer proof pressure and laser welding at the same time by controlling the amount of Cu and Mg appropriately corresponding to a melting enhancement element. An aluminium alloy plate for a battery case includes Si of 0.10-0.60wt%, Fe of 0.05-0.60wt%, Cu 0.70-1.0wt%, Mn of 0.10-1.80wt%, Zr of 0.70-1.50wt%, Ti of 0.03-0.25wt%, Al and residue of essential impurities. The battery case is made of the aluminium alloy plate which has a thickness of 4-7mm, a width of 20-30mm, and a height of 40-60mm. The case is a drawn and ironed container.