DENAQ NM-AS07A32 11.1 volt 4400 mAh Lithium Ion battery fits the Acer Aspire 4220 Laptop

The DENAQ NM-AS07A32 11.1V 4400mAh Lithium Ion battery is designed for the Acer Aspire 4220 Laptop to provide long-lasting power and enhancement. With a capacity of 4400 mAh, it offers up to 30% more power than standard batteries.