Definition: "PC75" refers to a specific type of cell phone battery that operates at 75% capacity when fully charged, yet consumes a significant amount of power due to its high energy density. It's commonly used in electronic gadgets for extended use over short periods due to its long-term capacity and long-lasting performance. The word "pc75" is used metaphorically to describe the battery, suggesting it provides prolonged usage without consuming too much power or energy, akin to a rechargeable item that consumes less power than it charges. It's often associated with efficiency in technology where devices can operate for extended periods with minimal consumption of electricity.