An electrically rechargeable metal anode cell comprising: a metal electrode (102, 202); an air contacting electrode (104,204) comprising at least one current collector having a corrosion-resistant outer layer comprising titanium carbide, a conductive inner layer comprising titanium, and an air permeable hydrophobic membrane; an aqueous electrolyte (106, 206) situated between the metal electrode (102, 202) and the air contacting electrode (104, 204); and wherein the metal electrode (102, 202) directly contacts the aqueous electrolyte (106, 206), and without an ionically conducting and electrically insulating material between the air contacting etectrode (104, 204) and the aqueous electrolyte (106, 206), characterized in that a frame (100, 200) supporting both the metal electrode (102, 202) and the air contacting electrode so that the metal electrode (102,202) and the air contacting electrode (104,204) are situated at a fixed distance from one another to define a space in which the aqueous electrolyte (106, 206) is contained, the frame comprising an electrolyte management system integrally formed into the frame (100, 200), the electrolyte management system comprising: a drain or fill port; an overflow lip configured to capture and contain the aqueous electrolyte ( 106, 206) within the cell as the aqueous electrolyte ( 106, 206) overflows from one of an upper electrolyte tank or an overlying cell vertically stacked overtop the air contacting electrode ( 104, 204) of the cell, wherein an overflow of the aqueous electrolyte ( 106, 206) within the cell flows over the overflow lip and into the drain or fill port, the drain or fill port allowing the overflow of aqueous electrolyte (106, 206) to drip to one of an electrolyte capturing tank or an underlying cell vertically stacked underneath the metal electrode ( 102, 202) of the cell. a metal electrode (102, 202); an air contacting electrode (104,204) comprising at least one current collector having a corrosion-resistant outer layer comprising titanium carbide, a conductive inner layer comprising titanium, and an air permeable hydrophobic membrane; an aqueous electrolyte (106, 206) situated between the metal electrode (102, 202) and the air contacting electrode (104, 204); and wherein the metal electrode (102, 202) directly contacts the aqueous electrolyte (106, 206), and without an ionically conducting and electrically insulating material between the air contacting etectrode (104, 204) and the aqueous electrolyte (106, 206), characterized in that a frame (100, 200) supporting both the metal electrode (102, 202) and the air contacting electrode so that the metal electrode (102,202) and the air contacting electrode (104,204) are situated at a fixed distance from one another to define a space in which the aqueous electrolyte (106, 206) is contained, the frame comprising an electrolyte management system integrally formed into the frame (100, 200), the electrolyte management system comprising: a drain or fill port; an overflow lip configured to capture and contain the aqueous electrolyte ( 106, 206) within the cell as the aqueous electrolyte ( 106, 206) overflows from one of an upper electrolyte tank or an overlying cell vertically stacked overtop the air contacting electrode ( 104, 204) of the cell, a drain or fill port; an overflow lip configured to capture and contain the aqueous electrolyte ( 106, 206) within the cell as the aqueous electrolyte ( 106, 206) overflows from one of an upper electrolyte tank or an overlying cell vertically stacked overtop the air contacting electrode ( 104, 204) of the cell, wherein an overflow of the aqueous electrolyte ( 106, 206) within the cell flows over the overflow lip and into the drain or fill port, the drain or fill port allowing the overflow of aqueous electrolyte (106, 206) to drip to one of an electrolyte capturing tank or an underlying cell vertically stacked underneath the metal electrode ( 102, 202) of the cell.