Replacement HP 6520S laptop battery. Catalog-listed compatibility includes 510, 515, 516, 541, 540, 6530s, 6531s, 6535s, 6820. Match the old battery label, voltage, connector and shape before confirmation.

Exact model

540

Matching batteries

6520S is listed for HP 540. We will reconfirm the old battery part number, voltage, connector, and shape before processing.

5,200 mAh6 cells11.1V

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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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