ProBatts Battery for select Dell Latitude D Series have an internal circuit board and chips with smart fuel gauge capability to determine battery performance and optimization, equipped with a charge level indicator. When pressing the 'Test' button on a fully charged battery, all signal lights illuminate. All Probatts batteries are powered by High quality Grade A cells, Lithium-Ion batteries are longer lived than conventional batteries and do not require replacement as often.
The higher capacity can be enjoyed when on the move, the battery life maybe stretched to the maximum by, lowering the display brightness and contrast levels, Disabling devices that are not in use like usb, wireless, and Bluetooth.Also enable the OS and device power management. This Probatts 6 Cell battery for Latitude D Series has a total power of 4400 mah ("Milliamp hours") or 48whr (Watt Hour), the higher the mah (mAh is a measure of the battery's capacity) or whr (Whr means watt hours. Watt hours are not a specific amount of time the battery will run your device) the longer the battery lasts.
This ProBatts Latitude D Series has the most available capacity per cell in the market today to make sure you have hours of power without the need to charge as often. It specially comes in handy when traveling, for a presentation or places where there is no power source available. Once the battery has reached its charge, it stops charging. While you are plugged into AC power source, you are not using the battery at all. If using the battery mostly for travel between locations it will make your battery more active if you do use it daily.