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Main image of 45N1108 45N1109 45N1110 45N1111 45N1773 45N1112 45N1113 01AV459 Battery for Lenovo ThinkPad T440 T440S T450 T450S T460 T550 X240 X240S X250 X260 X270 S440 S540 W550 A275 121500143 121500144 121500145

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Alt view image 4 of 7 - 45N1108 45N1109 45N1110 45N1111 45N1773 45N1112 45N1113 01AV459 Battery for Lenovo ThinkPad T440 T440S T450 T450S T460 T550 X240 X240S X250 X260 X270 S440 S540 W550 A275 121500143 121500144 121500145

Alt view image 5 of 7 - 45N1108 45N1109 45N1110 45N1111 45N1773 45N1112 45N1113 01AV459 Battery for Lenovo ThinkPad T440 T440S T450 T450S T460 T550 X240 X240S X250 X260 X270 S440 S540 W550 A275 121500143 121500144 121500145

Alt view image 6 of 7 - 45N1108 45N1109 45N1110 45N1111 45N1773 45N1112 45N1113 01AV459 Battery for Lenovo ThinkPad T440 T440S T450 T450S T460 T550 X240 X240S X250 X260 X270 S440 S540 W550 A275 121500143 121500144 121500145

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45N1108 45N1109 45N1110 45N1111 45N1773 45N1112 45N1113 01AV459 Battery for Lenovo ThinkPad T440 T440S T450 T450S T460 T550 X240 X240S X250 X260 X270 S440 S540 W550 A275 121500143 121500144 121500145

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Battery type: Li-ion; Voltage: 11.1V; Capacity: 24Wh; Cells: 3-cell
Compatible Models: Fit for Lenovo ThinkPad X240 X240S X250 X250S X260 X270 T440 T440S T450 T450S T460 T550 L450 L450S W550 W550S S440 S540 Series
Replace Part Numbers: 45N1108 45N1773 121500143 45N1009 45N1110 45N1111 45N1112 45N1113 45N1117 121500144 01AV459 L16M3P71 SB10K97602
100% New from Manufacturer. Up to 500 recharge cycles over the life of the battery. The actual operation time will depend on how much electricity is required by the device and how you use it
For first use, please discharge the battery to 5%(not to 0%) and then charge to 95%, and cycle 3-4 times.

Overview

Specs

Reviews

Battery Type: Li-ion; Voltage: 11.1V; Capacity: 24Wh; Color: Black

Compatible Machine Models:
ThinkPad X240 X240S X250 X250S X260 X270 T440 T440S T450 T450S T460 T550 L450 L450S W550 W550S S440 S540 Series

Compatible Part Numbers:
45N1108 45N1773 121500143 45N1009 45N1110 45N1111 45N1112 45N1113 45N1117 121500144 01AV459 L16M3P71 SB10K97602

Note:
Please check if this battery is compatible with your computer before purchasing. If you are not sure for that, please contact us!

Additional Information
First Listed on Newegg	January 12, 2026

Warranty & Returns

Warranty, Returns, And Additional Information

Warranty

Please contact the Seller directly for warranty information. Warranty information may also be found on the Manufacturer's website.
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Return Policies

Return for refund within: 30 days
Return for replacement within: 90 days
This item is covered by E-Transit Limited Return Policy

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Item#: 9SIC4RTKRS4269