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Black rectangular 9-cell Li-ion laptop battery with connector strip

KingSener

KingSener T440P 100Wh laptop battery 10.8V 8960mAh

SKU CH-YTAZ-J5TWF MPN T440P

100 Wh lithium-ion replacement battery delivering 8960 mAh at 10.8 V for compatible Lenovo ThinkPad models

  • Battery Voltage10.8V
  • Battery Capacity100WH/8960mAh
  • 100Wh capacity delivers extended runtime
  • 8V 8960mAh Li-ion cells provide stable power
  • Compatible with ThinkPad T440P T540P W540 W541 L440 L540
  • Replaces multiple Lenovo part numbers including 45N1144 45N1145 45N1148 45N1159
  • Japanese-made cells ensure reliable performance

Compatible Lenovo ThinkPad Models

This KingSener T440P battery replaces original part numbers 45N1144 45N1145 45N1148 45N1149 45N1150 45N1151 45N1152 45N1153 45N1158 45N1159 45N1160 45N1769 45N1779. It fits ThinkPad T440P T540P W540 W541 L440 L540 laptops. The black Li-ion pack matches the original dimensions for direct installation.

Who This Suits And Who It Does Not

Owners of the listed ThinkPad models needing a 100Wh 8960mAh 10.8V replacement will find correct voltage and capacity. Users with other ThinkPad series or different part numbers cannot use this pack. Buyers wanting a lower capacity or different voltage should look elsewhere.

Deciding Specification 100Wh 8960mAh 10.8V

The 100Wh 8960mAh capacity at 10.8V determines runtime and compatibility. This nine cell Li-ion design delivers the stated energy rating for the supported models. Confirm your original battery shows the same voltage and part number before ordering.

Highlights

  • 100Wh capacity delivers extended runtime
  • 8V 8960mAh Li-ion cells provide stable power
  • Compatible with ThinkPad T440P T540P W540 W541 L440 L540
  • Replaces multiple Lenovo part numbers including 45N1144 45N1145 45N1148 45N1159
  • Japanese-made cells ensure reliable performance

Specifications

BrandKingSener
ModelT440P
Part Number45N1144 45N1145
45N1148 45N1149
45N1150 45N1151
45N1158 45N1159
45N1152 45N1153
45N1149 45N1151
45N1769 45N1779
Battery Voltage10.8V
Battery Capacity100WH/8960mAh

Questions about this item

How often should I cycle the KingSener T440P battery to maintain its 8960mAh capacity?

Fully charge and discharge the pack from low current two or three times when new, then repeat a full cycle at least once a month if the laptop stays plugged in.

What is the first limit reached when the 10.8V 9-cell pack runs continuously under load?

The 100 Wh energy rating sets the runtime ceiling; once the stored charge is depleted the voltage drops and the laptop will shut down.

Does the Li-ion T440P battery generate noticeable heat or fan noise during all-day use?

The pack itself has no moving parts and produces only normal charging warmth; any fan noise comes from the laptop's own cooling system.

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