Direct answer
Battery replacement is usually the narrower decision when the computer still meets needs and has a serviceable pack. Compare health, cycle count, runtime, swelling, part availability and labor with the laptop's age, performance and other pending repairs.
What this covers
- A laptop with poor runtime or a battery-health warning
- The exact condition described in the direct answer
- Customer-accessible observations and controls
What it does not cover
- ×A different model, region or software interface that contradicts the cited source
- ×A displayed code with a separate manufacturer meaning
- ×Live electrical, gas, sealed-system or battery-cell repair
Establish the exact starting state
ReversibleBack up data, read battery health/cycle information and inspect for swelling or case deformation.
Separate the fault or decision boundary
ReversibleCompare battery-only symptoms with charger, port, thermal, sleep or main-board faults.
Apply the narrowest correction
ReversibleUse an exact compatible battery and qualified service when the pack is internal.
Verify before escalating
ReversibleConfirm charging, unplugged runtime, sleep/wake and no case distortion after service.
Evidence ledger
Sources behind this answer
Visible sources support the visible claims. Home Product Support records the publisher, the fact used and the review date; community reports can suggest an issue but do not become a published fact on their own.
Exact questions
Common follow-ups
What is the short answer to “Replace a laptop battery or replace the laptop”?+
Battery replacement is usually the narrower decision when the computer still meets needs and has a serviceable pack. Compare health, cycle count, runtime, swelling, part availability and labor with the laptop's age, performance and other pending repairs.
What should I check before changing anything?+
Back up data, read battery health/cycle information and inspect for swelling or case deformation.
How do I know the action worked?+
Confirm charging, unplugged runtime, sleep/wake and no case distortion after service.
When should I stop?+
Stop using, pressing or charging a swollen, leaking, punctured or smoking battery.
Answer for the exact device and software version shown above.