Laptop Battery -, Lithium-ion (Li-ion), 7800 mAh AVACOM Expansion Batteries give you much energy to your notebook. Made of high-quality components for great performance.Off Expansion batteries for laptopsDo you need to be independent of power supply for a longer time than your standard battery can offer?The AVACOM company produces many different expandable batteries for various laptop models, with a higher number of cells than the original batteries. The battery is physically larger, and either extends a bit beyond the laptop body or lifts the back side of the laptop, creating an ergonomically more convenient keyboard incline.Off Batteries made of high quality componentsThe battery contains a sophisticated electronical component with double protection. This section controls the charging of individual cell strings and also protects them from overcharging and over-depletion. With more battery cells, the laptop's...