Battery configurations having balanced current collectors

A battery comprising:

• a first circuit board characterized by a first surface and a second surface opposite the first surface, wherein the second surface comprises a conductive layer;
• a battery stack overlying the first circuit board and electrically coupled with the second surface of the first circuit board, wherein the battery stack comprises a plurality of battery cells, and wherein the battery stack defines a plurality of apertures through an active region of the battery stack;
• a second circuit board overlying the battery stack, wherein the second circuit board is characterized by a first surface and a second surface opposite the first surface, wherein the second surface comprises a conductive layer, and wherein the battery stack is electrically coupled with the second surface of the second circuit board;
• a power distribution block electrically coupled with the first surface of the first circuit board along a first edge of the first circuit board, wherein the power distribution block is also electrically coupled with the first surface of the second circuit board along a first edge of the first circuit board;
• and
• a plurality of retaining members coupling the second circuit board with the first circuit board, wherein each retaining member of the plurality of retaining members extends through a separate aperture of the plurality of apertures through the active region of the battery stack.