A rechargeable battery (1) for hand-guided electromechanical tools, having a plurality of rechargeable battery cells (10) which are electrically connected to one another by means of electrical cell connectors (110), wherein the electrical cell connectors (110) are fixed to a cell connection frame (120), which is provided on one pole side (19) of the rechargeable battery cells (10), for the purpose of simplified mounting of the electrical cell connectors (110) on the rechargeable battery cells (10). Furthermore, an electromechanical tool, in particular a cordless screwdriver, a drill, a circular saw, a jigsaw, a sander, a garden appliance, having a rechargeable battery (1) according to the invention.