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Black rectangular lithium-ion laptop battery with label showing 11.1V 100W

Beisite

Beisite 57++ 45N1152 45N1153 laptop battery 11.1V 100W

SKU CH-V4E2-Y9GDS

Lithium-ion 11.1V 100W replacement battery for ThinkPad L440 L540 T440p T540p W540 W541 series

  • ColorBlack
  • TypeBattery
  • Compatibilityfor ThinkPad L440 L540 T440p T540p W540 W541 Series
  • Battery TypeLithium-Ion
  • Battery Voltage11.1V
  • Battery Capacity100W
  • Powers ThinkPad L440 L540 T440p T540p W540 W541 with 11.1V 100W lithium-ion cell
  • Replaces part numbers 45N1152 45N1153 45N1161 45N1144 through 45N1151 45N1158 0C52863 0C52864
  • Fits L440 L540 T440p T540p W540 W541 series laptops for direct installation
  • Brand new 57++ battery delivers 100W capacity at 11.1V for extended runtime
  • Black lithium-ion pack includes 12 month coverage for reliable replacement

Compatible ThinkPad Battery

The Beisite 57++ 45N1152 45N1153 is a new lithium-ion replacement battery rated at 11.1V and 100W. It replaces part numbers including 45N1144 through 45N1153, 45N1158, 45N1161, 0C52863 and 0C52864. The black pack fits ThinkPad L440, L540, T440p, T540p, W540 and W541 series notebooks. One battery is supplied.

Fits L440 L540 T440p T540p W540 W541

This battery suits owners of the listed ThinkPad models who need a direct replacement for the original pack. It is not for users of other ThinkPad series or different laptop brands. Buyers whose machines require a different voltage or physical form factor should look elsewhere.

11.1V 100W Lithium-Ion Rating

The single specification that decides fit is the 11.1V 100W lithium-ion rating matched to the approved part numbers. Confirm that your service manual lists one of the compatible part numbers before ordering.

Highlights

  • Powers ThinkPad L440 L540 T440p T540p W540 W541 with 11.1V 100W lithium-ion cell
  • Replaces part numbers 45N1152 45N1153 45N1161 45N1144 through 45N1151 45N1158 0C52863 0C52864
  • Fits L440 L540 T440p T540p W540 W541 series laptops for direct installation
  • Brand new 57++ battery delivers 100W capacity at 11.1V for extended runtime
  • Black lithium-ion pack includes 12 month coverage for reliable replacement

Specifications

Brand57++
Model57++
Part Number45N1152 45N1153
ColorBlack
TypeBattery
Compatibilityfor ThinkPad L440 L540 T440p T540p W540 W541 Series
Battery TypeLithium-Ion
Battery Voltage11.1V
Battery Capacity100W

Questions about this item

Does the 11.1V 100W battery run hot or drain quickly during all-day use?

The lithium-ion pack is rated at 11.1V and 100W, matching the original specification for ThinkPad L440, L540, T440p, T540p, W540 and W541 series, so heat and runtime stay within the laptop's designed limits.

What must I already own for this 45N1152 / 45N1153 battery to work?

You need one of the compatible ThinkPad models — L440, L540, T440p, T540p, W540 or W541 — because the battery connects directly to the laptop's internal bay.

Will this 57++ replacement fit alongside the original charger and dock I keep for my T440p?

Yes, the battery replaces part numbers 45N1152, 45N1153, 0C52863 and 0C52864, so it works with the existing AC adapter and docking station used by the T440p series.

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