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Black rectangular lithium-ion laptop battery, 48Wh 10.8V

Beisite

Beisite 68+ 48Wh 10.8V laptop battery for ThinkPad T440s T450 T450s T550 W550s X240 X250

SKU CH-FTM5-FD0EQ

48Wh 10.8V lithium-ion replacement battery compatible with ThinkPad T440s, T450, T450s, T550, W550s, X240 and X250 series

  • ColorBlack
  • TypeBattery
  • CompatibilityFor Thinkpad T440s T450 T450s T550 W550s X240 X250 Series
  • Battery TypeLithium-Ion
  • Battery Voltage10.8V
  • Battery Capacity48Wh
  • 48Wh capacity powers compatible ThinkPad models through a full workday
  • 8V lithium-ion chemistry matches original voltage for stable system operation
  • Replaces 68, 68+, 68++ and over forty Lenovo part numbers including 45N1132 and 0C52861
  • Fits T440s, T450, T450s, T550, W550s, X240, X250 and other listed series
  • Brand-new condition ensures full cycle life from first charge

Replacement battery for ThinkPad T440s to X270

This 48Wh lithium-ion pack operates at 10.8V and replaces Lenovo part numbers such as 45N1132 and 45N1736. It is built for the ThinkPad T440s, T450, T450s, T550, W550s, X240 and X250 series. The black casing matches the original aesthetic and installs without tools.

New condition and direct-fit design

The battery ships brand new and aligns with the internal mounting points of the listed models. No cables or adapters are required; the pack seats into the existing bay and locks with the laptop’s own latch. The 68+ label identifies the form factor shared across the compatible range.

Capacity and model limits

The 48Wh rating defines the energy available per charge cycle. The manufacturer notes that this unit does not fit ThinkPad T460s, T470 or T470s models. Buyers needing power for those newer chassis should seek a different part number.

Highlights

  • 48Wh capacity powers compatible ThinkPad models through a full workday
  • 8V lithium-ion chemistry matches original voltage for stable system operation
  • Replaces 68, 68+, 68++ and over forty Lenovo part numbers including 45N1132 and 0C52861
  • Fits T440s, T450, T450s, T550, W550s, X240, X250 and other listed series
  • Brand-new condition ensures full cycle life from first charge

Specifications

Brand68+
Model68+
Part Number45N1132 45N1736
ColorBlack
TypeBattery
CompatibilityFor Thinkpad T440s T450 T450s T550 W550s X240 X250 Series
Battery TypeLithium-Ion
Battery Voltage10.8V
Battery Capacity48Wh

Questions about this item

Does the 10.8 V 48 Wh rating match the original 45N1132 part?

Yes, this 68+ replacement is rated at 10.8 V and 48 Wh, matching the 45N1132 and 45N1736 specifications.

Will the battery sit flush in a ThinkPad T450s chassis?

It is built to the same form factor as the original 68/68+/68++ packs used in the T450s and listed compatible models.

Do I need to disconnect the internal coin cell before swapping the pack?

Power off the laptop, unplug the AC adapter, remove the base screws, detach the old pack connector, then fit the new battery and reassemble.

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