US Patent 9705160 Moisture resistant energy storage devices and associated methods

The disclosure extends to moisture resistant energy storage devices, such as rechargeable batteries, and associated methods of forming the same. An energy storage device, such as a rechargeable battery, may comprise a cell including at least one electrical terminal and a circuit board electrically coupled to the at least one electrical terminal. The rechargeable battery may also include a moisture resistant coating on at least a portion of at least one of a surface of the cell and a surface of the circuit board. A moisture resistant coating may reside between the circuit board and the cell.