GENUINE Acer Extensa 4620 Original BATTERY BTP-ARJ1       used battery == TESTED --  Receives and holds charge -- Not tested for duration but guaranteed to work in your Acer Extensa 4620 Laptop and other Acer laptop that use same model number BTP-ARJ1.  Comes with 14 days warranty    If for some reason you are not satisfied with received item, e-mail us through eBay message system. Don't leave negative feedback, money back guaranteed! We value your time and business.   Actual item is pictured!  Please look carefully for the item you will receive.