1 Answer
Fully discharging a battery is bad for its lifespan for a few reasons:
To maximize the lifespan of most rechargeable batteries, it's generally recommended to keep the charge between 20% and 80%, avoiding both complete discharge and overcharging.
Does that make sense?
- Battery Chemistry: Most rechargeable batteries (like lithium-ion batteries) rely on a certain amount of charge to maintain their chemical balance. Discharging them all the way can upset this balance, which can lead to permanent damage. For example, in lithium-ion batteries, going to 0% could cause the voltage to drop too low, which might cause the internal components to degrade.
- Capacity Reduction: When you regularly discharge a battery fully, it can gradually reduce its overall capacity. This means the battery won't hold as much charge over time and will need to be recharged more frequently.
- Cell Damage: In some cases, discharging a battery too much can cause a condition called "deep discharge." This can lead to the formation of solid particles inside the battery, which increases the risk of it failing or even catching fire in extreme cases.
To maximize the lifespan of most rechargeable batteries, it's generally recommended to keep the charge between 20% and 80%, avoiding both complete discharge and overcharging.
Does that make sense?