The terminal voltage achieved by a lithium-ion battery nominally rated at 12 volts when completely charged typically ranges from 12.6 to 12.8 volts. This final voltage plateau indicates the battery has reached its maximum energy storage capacity under standard charging conditions. It’s important to note that exceeding this voltage can lead to irreversible damage and reduced lifespan.
Maintaining appropriate charge levels is crucial for optimal performance and longevity. Understanding the fully charged voltage ensures proper operation within designed parameters, prevents overcharging, and contributes to the overall reliability and safety of systems powered by these batteries. Historically, advancements in battery technology have focused on increasing energy density and lifespan, with careful attention to charge termination voltage being a key factor.