Replacement Acer 3820T laptop battery. Catalog-listed compatibility includes 3820, 3820TG, 4820, 4820G, 4820T, 4820TG4745G. Match the old battery label, voltage, connector and shape before confirmation.

Compatibility profile

Laptop brand: Acer
Exact model: 4820
Matching batteries: 1

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3820T is listed for Acer 4820. 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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