- Rapid Discharge Rate: The battery loses its charge quickly even when not in use, requiring more frequent recharging. This is due to increased internal resistance as the battery ages.
- Difficulty Holding a Charge: The battery may appear fully charged but drains rapidly during use, or may show inconsistent charge levels, such as suddenly regaining power after appearing drained.
- Longer Charging Times: It takes progressively longer to charge the battery fully, indicating a loss in capacity and efficiency.
- Shorter Battery Life: The total runtime after a full charge decreases, reflecting diminished energy storage capacity.
- Overheating During Use or Charging: Excessive heat beyond normal levels can signal internal battery issues and can be a safety risk.
- Inability to Charge: The device may fail to charge at all when the battery is dead or severely degraded.
- Unexpected Power Offs: Devices shutting down suddenly even when the battery indicator shows sufficient charge is a common failure symptom.
- Inaccurate Battery Indicator: Battery charge level indicators may become unreliable or erratic as the battery degrades.
- Physical Swelling: Though not always mentioned explicitly, physical swelling of the battery casing is a known sign of lithium-ion battery wear and potential danger.
These signs generally arise because lithium-ion batteries degrade gradually with use and age, starting from the first charge, and will eventually require replacement as their performance and safety declines.
Original article by NenPower, If reposted, please credit the source: https://nenpower.com/blog/what-are-the-common-signs-of-wear-and-tear-in-lithium-ion-batteries/
