Signs that a laptop battery needs attention
Stop using and charging a laptop with a swollen or damaged battery. Short runtime alone needs further investigation.
Short runtime is not the whole diagnosis
Battery capacity decreases with use, but applications, display brightness and workload also affect runtime. Compare similar working conditions rather than judging a battery after one demanding game. Record whether the change was gradual or sudden and whether a recent software or workload change coincided with it.
Do not ignore deformation
A separating case, raised touchpad or visibly swollen battery is a reason to stop using the device. Shut it down and stop charging. Do not press, puncture or force out a stuck battery. If the enclosure is damaged, obtain safe service guidance instead of handling exposed internal parts.
Prepare useful information
Battery health, the charger and charging circuitry need separate checks. A laptop that will not charge may have an adapter, port or board problem rather than simply an exhausted battery.
- Provide the exact laptop and charger models.
- Note the reported charge level at shutdown and any error message.
- Bring the charger if the problem occurs while it is connected.
Replacement and subsequent care
A replacement must meet the requirements for the exact laptop model; matching size or connector shape is not enough. Ask about a suitable battery collection or recycling route rather than putting the old pack in ordinary waste. After replacement, check charging and normal-workload operation. A compatible charger and protection from excessive heat remain important.
Further reading
This article is a general guide. Follow the manufacturer’s instructions for your particular device.
