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Rectangular black laptop battery with four cells and connector port

PowerWarehouse

PowerWarehouse 5B11H56373 laptop battery for ThinkPad P16v Gen 1 Gen 2

SKU CH-TXC8-K0EMW

Replacement 4-cell lithium-ion battery at 15.52 V and 5799 mAh for ThinkPad P16v Gen 1 and Gen 2

  • Battery type4 Cell Lithium-Ion
  • Compatible withTHINKPAD P16 V GEN 1, P16 V GEN 1 21FC, P16 V GEN 1 21FD, P1
  • Fits ThinkPad P16v Gen 1 and Gen 2 models
  • Replaces OEM part numbers 5B11H56373, L22C4P71, SB11M89894 and more
  • 4-cell lithium-ion design delivers 15.52 V and 5799 mAh
  • 12-month warranty backs reliable performance
  • Ships from a USA-based supplier

Replacement battery for ThinkPad P16v Gen 1

This 4-cell lithium-ion pack replaces the original 5B11H56373 battery in ThinkPad P16v Gen 1 and Gen 2 models. It delivers 15.52 V and 5799 mAh to restore mobile runtime for mobile workstation users who need reliable power away from an outlet.

Verify the exact model

Confirm your laptop is a ThinkPad P16v Gen 1 (21FC, 21FD, 21FE or 21FF) or Gen 2 (21KX or 21KY). Cross-check the existing battery label against the listed OEM numbers such as L22C4P71, SB11M89894, 5B11H56374, L22M4P71, 5B11M90092, SB11H56274, 5B11M90093 or SB11H56275 to ensure a correct match.

Installs internally and frees you from the charger

The pack fits inside the chassis using the original mounting points and connector, requiring no extra cables or adapters. Once fitted it restores full battery operation so the workstation can run on its own power during travel or meetings. Buyers needing a higher-capacity pack or a different form factor will not be served by this unit.

How it compares

Measured against everything we stock in Laptop Chargers & Batteries, at today’s prices. Recalculated every night.

Price $61.99
Pricier than about 90% of the 27,790 comparable items (median $30.99).

Specifications

Product
Part number5B11H56373, L22C4P71, SB11M89894, 5B11H56374
Power
Battery type4 Cell Lithium-Ion
Compatibility
Compatible withTHINKPAD P16 V GEN 1, P16 V GEN 1 21FC, P16 V GEN 1 21FD, P16 V GEN 1 21FE, P16 V GEN 1 21FF, P16 V GEN 2, P16 V GEN 2 21KX, P16 V GEN 2 21KY

Questions about this item

Does the 5B11H56373 battery ship with any tools or cables, or must I buy them separately?

The package contains only the 4-cell lithium-ion battery; no screwdrivers, cables or mounting hardware are included.

My ThinkPad P16v Gen 2 shows OEM part L22M4P71 — is this the correct replacement?

Yes — L22M4P71 is listed among the compatible OEM numbers, so the battery fits that model.

What runtime can I expect from the 5799 mAh, 15.52 V pack in a real P16v?

The 5799 mAh capacity at 15.52 V delivers roughly 90 Wh, which typically provides several hours of mixed workloads on a P16v before needing a recharge.

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