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Rectangular black lithium-ion laptop battery pack

BFKK

BFKK 01AV427 laptop battery 10.8V 72Wh 6600mAh

SKU CH-P50Y-BSZT2 MPN 01AV427

Replacement lithium-ion battery delivering 10.8V and 72Wh capacity for compatible Lenovo ThinkPad T470, T480, T570, T580, P51S, P52S, TP25, A475 and A485 models

  • Replaces multiple Lenovo part numbers including 01AV427 and SB10K97584
  • Fits ThinkPad T470, T480, T570, T580 and P51S models
  • Delivers 10.8V and 72Wh capacity for extended runtime
  • Plug-and-play lithium-ion design installs without extra tools
  • New replacement battery restores original notebook battery life

Replacement battery for ThinkPad T and P series

This 10.8 V lithium-ion pack delivers 72 Wh and 6600 mAh in a black plug-and-play enclosure. It replaces Lenovo part numbers 01AV427, 01AV428, 01AV492, 4X50M08812, SB10K97584 and SB10K97585. The unit is sold new and ready for immediate installation.

Compatibility and limits

The battery fits ThinkPad T470, T480, T570, T580, P51S, P52S, TP25, A475 and A485 models when the original part number matches the list above. It will not suit other ThinkPad families or non-Lenovo notebooks. Buyers who cannot verify their original battery model against the supported part numbers should look elsewhere.

Capacity and voltage specification

The decisive figure is the 72 Wh / 6600 mAh rating at 10.8 V, which determines runtime and charging behaviour for the supported laptops. Confirm that your original battery shows the same voltage and capacity before ordering.

Highlights

  • Replaces multiple Lenovo part numbers including 01AV427 and SB10K97584
  • Fits ThinkPad T470, T480, T570, T580 and P51S models
  • Delivers 10.8V and 72Wh capacity for extended runtime
  • Plug-and-play lithium-ion design installs without extra tools
  • New replacement battery restores original notebook battery life

Specifications

No published specifications for this item yet.

Questions about this item

How can I confirm the 10.8V 72Wh 6600mAh battery is working correctly after installation?

After fitting the 01AV427 battery, the ThinkPad should power on without the AC adapter and the operating system should report a full charge capacity near 72Wh.

What is included with the 01AV427 battery and is any extra hardware required?

The package contains the 01AV427 61++ Li-ion battery only; no tools, screws or additional cables are supplied.

Which part number should I choose among 01AV427, 01AV428 and 01AV492 for my ThinkPad T480?

All three part numbers — 01AV427, 01AV428 and 01AV492 — are listed as direct replacements for the T480, so any of them will fit.

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