Replacement Lenovo 45N1742 laptop battery. Catalog-listed compatibility includes W550S, P50S. Match the old battery label, voltage, connector and shape before confirmation.

Compatibility profile

Laptop brand: Lenovo
Exact model: ThinkPad W550S
Matching batteries: 1

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45N1742 is listed for Lenovo ThinkPad W550S. We will reconfirm the old battery part number, voltage, connector, and shape before processing.

3,900 mAh3 cells11.4V

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Battery is swollenOnly works while plugged inShuts down soon after unpluggingNot charging or percentage is stuckVery low backup after a full chargeBattery is not detectedOther problem

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