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Rectangular black 6-cell Li-ion laptop battery with label showing 57 Wh 10.8V

PISKEKAT

PISKEKAT 57 Wh 6-cell 10.8V Li-ion laptop battery for Lenovo ThinkPad

SKU CH-5D4J-T55BA

A 57 Wh 6-cell 10.8 V Li-ion battery compatible with Lenovo ThinkPad T410, T510, T520, W510, W520, L412, L420, L512, SL410, SL510, Edge E40, E50, E420, E425, E520 and E525 models

  • Battery TypeLaptop Batteries
  • 57 Wh capacity powers ThinkPad T410 T510 T520 W510 W520 L412 L420 L512 SL410 SL510
  • 6-cell 10.8 V lithium-ion design matches original Lenovo part numbers
  • CE and FCC certified for safe operation
  • Up to 500 recharge cycles over the battery life
  • Fits ThinkPad Edge E40 E50 E420 E425 E520 E525 models

57 Wh 6-cell ThinkPad battery

This new lithium-ion replacement pack delivers 57 Wh across six cells at 10.8 V. It fits a wide range of Lenovo ThinkPad models including T410, T510, T520, W510, W520, L412, L420, L512, SL410, SL510 and Edge E40, E50, E420, E425, E520 and E525. Buyers whose laptop requires a different voltage or form factor cannot use this unit.

57 Wh capacity and 10.8 V rating

The single specification that determines compatibility is the 57 Wh capacity combined with the 10.8 V output. Match these values against the original battery label or the Lenovo part numbers listed such as 42T4799, 42T4751, 42T4235, 42T4753, 42T4796, 51J0499, 57Y4186, 45N1001, 45N1005 and the 42T series codes. A different watt-hour or voltage rating means the pack will not work.

Up to 500 recharge cycles

The manufacturer rates the pack for up to 500 recharge cycles over its service life. CE and FCC safety certifications confirm compliance with standard electrical-safety limits for heat and emissions during normal charging and discharging. No active cooling or fan is present, so operating noise is silent and thermal output remains within the limits defined by the certifications.

Highlights

  • 57 Wh capacity powers ThinkPad T410 T510 T520 W510 W520 L412 L420 L512 SL410 SL510
  • 6-cell 10.8 V lithium-ion design matches original Lenovo part numbers
  • CE and FCC certified for safe operation
  • Up to 500 recharge cycles over the battery life
  • Fits ThinkPad Edge E40 E50 E420 E425 E520 E525 models

Specifications

Battery TypeLaptop Batteries

Questions about this item

How long will the 57 Wh capacity actually run my ThinkPad?

The 57 Wh rating is the total energy the pack stores; real runtime varies by model and workload, so check your laptop's typical power draw to estimate hours.

What connection does this battery use and what does it limit?

It uses the standard ThinkPad 6-cell bay interface, which locks the voltage to 10.8 V and caps the pack at the 57 Wh / 6-cell form factor.

Will this 6-cell pack fit my ThinkPad Edge E420 without a spacer?

Yes — the pack is built to the original 6-cell dimensions for the Edge E40, E50, E420, E425, E520 and E525, so it seats directly in the battery bay.

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