Lenovo ThinkPad T480S Battery L17L3P71 4650mAh

Lenovo ThinkPad T480s Battery: Restored Battery Life and Performance

This internal battery is intended for replacement in the Lenovo ThinkPad T480s laptop, restoring operation away from the power socket. The energy accumulator with the reference L17L3P71 allows recovering the intended usage time for the work equipment.

Technical Specifications

• Part type: Rechargeable internal battery
• Compatibility: Lenovo ThinkPad T480s
• Reference: L17L3P71
• Capacity: 4650mAh
• Quality: OEM

When to Replace

• The laptop shuts down immediately when the charger is unplugged.
• Drastically reduced battery life with rapid discharge.
• The battery shows physical swelling that deforms the bottom housing.
• The operating system indicates a warning that battery replacement is needed.
• The laptop does not detect the installed battery — confirm the diagnosis.

Notes for the Technician

• Test before applying: connect the battery without adhering it and confirm that the equipment boots, charges and displays the percentage correctly. Thus, if there is any issue, the return or warranty is handled quickly and simply.
• Installation difficulty: Medium.
• Disconnect the external power supply and disable the internal battery in the BIOS before starting disassembly.
• Access is gained by unscrewing and lifting the bottom cover of the laptop base.
• Disconnect the battery cable from the mainboard using an antistatic tool before removing the fixing screws.
• When assembling the new unit, align the connector with precision to avoid damaging the contact pins.

What Distinguishes This Version

This part follows the indicated technical specification of 4650mAh in the OEM manufacturing standard without logos. It is the correct solution for professional technicians looking for mechanical and electrical reliability in a functional repair of the equipment.

Frequently Asked Questions

Is this battery compatible with the regular Lenovo ThinkPad T480?

No, this L17L3P71 version was designed exclusively for the ThinkPad T480s chassis and is not compatible with the standard T480 model.

The laptop does not turn on without the charger, is the problem always the battery?

In most cases it results from battery wear, but failures in the mainboard charging circuit can present the same symptom — confirm the diagnosis.

Item tested by Micro Wire before shipment, with fast dispatch from Portugal. If you do not want to repair it we can do it for you.