PELTEC @ Premium Notebook Laptop Battery HP Compaq 615 610 6720s 6730s 6735s 6820 6820s 6720t * 4400mAh * (Electronics)
With delivery, price and duration of the batteries I am zufrieden.Jedoch the battery sits very loosely in the laptop and falls at a careless movement, ie transport, before 'out. Therefore only 3 stars.