The chemical age of a battery can be impacted by the usage and temperature history. The lifespan of a battery depends on more than its age. Meanwhile, battery lifespan is the amount of time a battery lasts until it needs to be replaced. When we talk about battery life, we’re talking about runtime or the amount of time a device, such as your MacBook, can run before it needs to be charged. Certain power-intensive processes place a heavier load on the battery and result in a much-reduced runtime per charge. Load: The amount of activity being performed by a task or tasks. This number lowers as the battery becomes depleted with usage and age. This number represents the sum of total and partial discharge cycles throughout the life of the battery.įull charge capacity: Measured in mAH (milliampere-hours), this refers to the amount of power the battery is capable of containing, less the energy required to shut down the device. What affects Mac battery life and battery lifespan?īefore we go into this in further detail, it’s worth defining some of the technical key terms that Apple uses when talking about batteries and battery condition:īattery Cycle count: Batteries are expected to function for a certain number of cycles. That being said, all batteries are consumable components and over time lose their effectiveness to hold a charge. Li-ion batteries are the most common choice for consumer products as they have a high-power density, are comparatively light, and have a long lifespan. The batteries found in Macs use lithium-ion (Li-ion) technology. What affects Mac battery life and battery runtime?.We thought we’d help by putting together this comprehensive post on MacBook batteries. So if you own a Mac (or plan on owning one), you may well be wondering about its battery life, how you can check its battery health, and what you can do to improve its runtime. They make or break the portability of the device. ![]() ![]() It sounds like an obvious statement, but batteries are a vital consideration for laptop users.
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