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Rectangular black lithium-ion laptop battery pack

PowerWarehouse

PowerWarehouse L21M3P76 laptop battery for ThinkPad L14 Gen 3 L15 Gen 3 C14 Gen 1 63W

SKU CH-JQGX-PDE5H

Replacement 3-cell lithium-ion battery supplying 11.64 V and 5413 mAh for compatible Lenovo ThinkPad models

  • CompatibilityL21M3P76, SB10W52008, 5B10W51907, 5B10W51908, 5B10W51909, 5B
  • Battery Type3 Cell Lithium-Ion
  • Battery CapacityLENOVO THINKPAD L14 GEN 3, L15 GEN 3, C14 GEN 1
  • Compatible with ThinkPad L14 Gen 3, L15 Gen 3 and C14 Gen 1
  • 3-cell lithium-ion design delivers 5413 mAh capacity at 11.64 V
  • Replaces OEM part numbers L21M3P76, SB10W52008, 5B10W51907, 5B10W51908, 5B10W51909, 5B11H56346
  • 63 W power rating matches original specifications
  • Brand-new condition ensures full performance from first use

Compatible Models

This replacement battery fits Lenovo ThinkPad L14 Gen 3, L15 Gen 3 and C14 Gen 1 laptops. It matches OEM part numbers L21M3P76, SB10W52008, 5B10W51907, 5B10W51908, 5B10W51909 and 5B11H56346. The three-cell lithium-ion pack is new and ready to install.

Critical Specification

The pack delivers 11.64 V and 5413 mAh for a total of 63 Wh. That voltage and capacity must match the original battery exactly or the laptop will not charge correctly. Verify the OEM number on your old battery before ordering.

Who Should Buy

Owners of the listed ThinkPad models who need a direct 63 Wh replacement will find this part compatible. Users with different ThinkPad series, other voltages or higher capacity requirements should look at a different battery.

Highlights

  • Compatible with ThinkPad L14 Gen 3, L15 Gen 3 and C14 Gen 1
  • 3-cell lithium-ion design delivers 5413 mAh capacity at 11.64 V
  • Replaces OEM part numbers L21M3P76, SB10W52008, 5B10W51907, 5B10W51908, 5B10W51909, 5B11H56346
  • 63 W power rating matches original specifications
  • Brand-new condition ensures full performance from first use

Specifications

CompatibilityL21M3P76, SB10W52008, 5B10W51907, 5B10W51908, 5B10W51909, 5B11H56346
Battery Type3 Cell Lithium-Ion
Battery CapacityLENOVO THINKPAD L14 GEN 3, L15 GEN 3, C14 GEN 1

Questions about this item

What does the 63 W rating mean for daily use on a ThinkPad L14 Gen 3?

The 63 W figure is the original battery's watt-hour capacity; this replacement stores 11.64 V × 5413 mAh, giving roughly the same runtime per charge.

Does the 11.64 V output match the laptop's charging circuit?

Yes — 11.64 V is the nominal voltage for the L21M3P76 series, so the ThinkPad's power management recognises it without extra configuration.

Will the three-cell pack fit the existing battery bay on a C14 Gen 1?

The pack is built to the L21M3P76 form factor, which matches the internal bay on L14 Gen 3, L15 Gen 3 and C14 Gen 1 models.

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