Confirm the symptom
Record runtime under comparable use, charge behaviour and shutdowns. A battery report can inform diagnosis but does not prove the battery causes every problem. Charger, workload and charging-circuit issues need different checks.
Treat swelling as a safety concern
Stop using a laptop with suspected battery swelling and follow manufacturer guidance. Do not press the casing flat or puncture the battery. Handling and disposal require appropriate arrangements.
Request the exact replacement details
Confirm compatibility, source, warranty, labour and any casing damage in the quote. An unknown cheap part and an expensive branded part should both be checked against the actual model requirements.
Agree timing and expected result
Part availability and access procedures determine the schedule; no universal same-day promise applies. Ask what the replacement is expected to address. Actual runtime still depends on workload, settings and the rest of the machine.
Questions about this guide
What information is needed for a battery replacement quote?
Provide the exact model and symptoms. The correct part, access procedure and any related damage must be checked before a meaningful price or completion estimate.
Can I buy a replacement just by matching its appearance?
Do not choose solely by appearance. Verify the compatible part specification and supplier guidance for the exact laptop, and arrange appropriate installation if opening the device is required.