Dell Latitude D630 Laptop integrates Intel’s latest mobile platform with a business-friendly feature set and lengthy extended battery. The extended battery served the Latitude well in our taxing DVD battery-drain test, where it held out for 4 hours, 45 minutes, the longest life we’ve seen for a thin-and-light. 
Follow following laptop battery-saving tips and tricks and you’ll be well on your way to staying unleashed longer. 1. Switch on the optimized laptop battery or power feature. You’ll find this option — sometimes referred to as max battery mode — in your laptop system’s built-in battery power management control panel. You can select the option to reduce the amount of time your inactive Dell latitude d640 laptop stays on before powering itself down and going to sleep. 2. Upgrade to 2 GB or more RAM for the best performance and less drain on your Dell latitude d640 laptop battery power. 3. Unplug the laptop computer accessories you aren’t using. Laptop accessories drain battery power even if they’re not in use. 4. Condition the Dell latitude d640 notebook battery – when you purchase your Dell Latitude Laptop Batteries, charge the Dell battery to 100 percent, discharge it completely, and then fully charge it to 100 percent again to help the battery computer dell laptop remember exactly how much electrical charge it can hold. From then on, you’ll never need to completely discharge the battery again, but always make sure when charging it that you let it reach 100 percent. Remember to plug in the Dell Latitude D630 Laptop AC Adapter whenever you get a chance. Most notebooks will recharge quickly. Exposure to high temperatures can be a battery’s worst enemy. 5. Get a spare laptop battery – Spare laptop battery available for many laptops and you might even find that your notebook can accept a high-capacity extended life battery than was supplied originally. Say your battery is a ‘six-cell’ unit. Swapping this for a ‘nine-cell’ should give a third extra running time.
