The battery is built !!! Can thus be replaced by qualified personnel for a lot of money. What ASUS was thinking as to produce rubbish. That's not a disposable product !!! A large removable battery costs about 20, - EUR. This is acceptable. The battery needs to be replaced, each is clear, because it is a consumable item. Except ASUS has probably never heard of it. At AMAZON: Please refer to these extreme disadvantage in the product description to explicitly. This saves unnecessary returns. I would return the part namely IMMEDIATELY .....