| http://www.w3.org/ns/prov#value | - The battery charger may include one or more capacitors, one or more batteries, control logic, or switches for supplying system power to various components of the system according to the various embodiments of the invention.In one embodiment of the invention, water flowing through the water meter's chamber rotates a turbine, impeller, blade and shaft assembly, or other mechanism that rotates with t
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