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Black rectangular lithium-ion laptop battery model X240 45N1128 10.8V 5370mAh

LXHY

LXHY 45N1128 X240 laptop battery 10.8V 5370mAh

SKU CH-5Q6Q-YEWQR

Replacement lithium-ion battery rated 10.8V 5370mAh for ThinkPad T440 T450 T460 T470 X240 X250 X260 X270 and related models

  • Battery typeLithium-Ion
  • Battery voltage rating10.8 V
  • Battery capacity5,370 mAh
  • Product colorBlack
  • Product typeBattery
  • Compatible with many ThinkPad models for easy replacement
  • 8V 5370mAh lithium-ion capacity supports long run times
  • CE, FCC and RoHS certified for safety compliance
  • Replaces original part numbers 45N1125 through 45N1130
  • New condition ensures full performance from first use

Replacement battery for ThinkPad X240 series

This 10.8V lithium-ion pack replaces Lenovo part numbers 45N1125 through 45N1130 and 0C52861 through 0C52862. It fits ThinkPad T440, T440s, T450, T450s, T460, T460P, T470P, T550, T560, L450, L460, L470, P50S, W550, W550s, X240, X240s, X250, X260 and X270 models. The black unit carries CE, FCC and RoHS certification.

5370mAh capacity with standard ThinkPad mounting

The battery uses the same slide-in latch and connector layout as the original Lenovo packs, so installation requires no tools or cable routing. Lithium-ion chemistry delivers the rated 5370mAh at 10.8V without memory effect. Certified circuitry protects against overcharge, over-discharge and short circuits during daily use.

Verify your exact ThinkPad model before ordering

This unit does not fit ThinkPad models outside the listed T, L, P, W, X and S series such as the K2450 or S440/S540 variants. Buyers needing a higher-capacity 6-cell or 9-cell pack, or a different voltage rating, should look elsewhere. Confirm the part number on your existing battery matches 45N1128 or the compatible numbers shown.

How it compares

Measured against everything we stock in Laptop Chargers & Batteries, at today’s prices. Recalculated every night.

Price $22.99
Cheaper than about 66% of the 27,790 comparable items (median $30.99).

Specifications

Product
Model nameX240/45N1128
Product colorBlack
Product typeBattery
Power
Battery typeLithium-Ion
Battery voltage rating10.8 V
Battery capacity5,370 mAh

Questions about this item

What voltage does the 10.8 V battery deliver to the ThinkPad X240?

The battery supplies 10.8 V, matching the original specification for the X240 and compatible ThinkPad models.

Which ThinkPad chassis styles accept the X240/45N1128 battery?

It fits the internal battery bay of ThinkPad T440, T440s, T450, T450s, T460, T460P, T470P, T550, T560, L450, L460, L470, P50S, W550s, X240, X250, X260 and X270.

How is the X240 battery installed and what step is often missed?

Power off the laptop, slide the release latch, remove the old pack, insert the new battery until it clicks, then let it charge fully before first use.

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