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Black rectangular lithium-ion laptop battery, 57Wh

Beisite

Beisite L17L3P71 L17M3P71 L17M3P72 57Wh laptop battery

SKU CH-YYH3-N6WFP

A 57 Wh lithium-ion replacement battery for Lenovo ThinkPad T480s series laptops

  • ColorBlack
  • TypeBattery
  • CompatibilityFor ThinkPad T480s
  • Battery TypeLithium-Ion
  • Battery Voltage11.52V/11.58V
  • Battery Capacity57Wh
  • 57Wh capacity powers ThinkPad T480s through long sessions
  • 52V or 11.58V lithium-ion cell matches original specs
  • Replaces Lenovo part numbers 01AV478 01AV479 01AV480
  • Compatible with SB10K97620 SB10K97621 SB10K97622
  • Brand-new black battery includes 12-month warranty

Replacement battery for ThinkPad T480s

This 57Wh lithium-ion unit replaces the original Lenovo batteries for the ThinkPad T480s series. It matches part numbers L17L3P71, L17M3P71, L17M3P72, 01AV478, 01AV479, 01AV480, SB10K97621, SB10K97620, SB10K97622 and 31CP5/88/73. The cell operates at 11.52V or 11.58V and ships in black.

Upgrading from a depleted or swollen pack

When the factory cell no longer holds a useful charge or shows physical swelling, this new battery restores full mobile runtime. The voltage difference between 11.52V and 11.58V variants is handled by the laptop’s charging circuit, so any shipped version installs without modification. Installation requires only the standard bottom-cover removal on the T480s chassis.

Suits owners of a ThinkPad T480s needing a direct

It fits users who want a like-for-like replacement with the original 57Wh capacity and 12-month warranty. Buyers who need a higher-capacity extended pack, a different form factor for another ThinkPad model, or a hot-swappable second battery should look elsewhere.

Highlights

  • 57Wh capacity powers ThinkPad T480s through long sessions
  • 52V or 11.58V lithium-ion cell matches original specs
  • Replaces Lenovo part numbers 01AV478 01AV479 01AV480
  • Compatible with SB10K97620 SB10K97621 SB10K97622
  • Brand-new black battery includes 12-month warranty

Specifications

BrandL17L3P71 L17M3P71 L17M3P72
ModelL17L3P71 L17M3P71 L17M3P72
Part Number31CP5/88/73
ColorBlack
TypeBattery
CompatibilityFor ThinkPad T480s
Battery TypeLithium-Ion
Battery Voltage11.52V/11.58V
Battery Capacity57Wh

Questions about this item

What are the physical dimensions and connector layout so I can confirm this 57Wh pack fits my ThinkPad T480s?

The battery is a black lithium-ion unit rated 11.52V or 11.58V and 57Wh, built to the same form factor as Lenovo part numbers 01AV478, 01AV479, 01AV480 and SB10K97621, SB10K97620, SB10K97622, so it seats directly in the T480s internal bay without adapters.

Which screws or latches must I release to swap the internal battery, and what step do people miss?

Power off, unplug, remove the base cover screws, disconnect the old pack's cable, then connect the new battery before refitting the cover; the step often missed is pressing the battery connector firmly until it clicks, otherwise the T480s will not recognise the 57Wh replacement.

How long will this 57Wh lithium-ion battery hold a useful charge before I need another one?

Under normal use the pack delivers its rated 57Wh for many hundreds of cycles; when run-time falls well below your needs, simply order another Beisite unit matching part numbers L17L3P71, L17M3P71 or L17M3P72.

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