This is a brand new Dell type R640C battery for the Latitude e4200 e4200n models. This Dell R640C battery is twice the capacity of the original 3 cell battery.
This Dell R640C battery is rated 11.1 volts and 5200 mAh and will normally last 4-6 hours on a full charge. You can get longer battery life by dimming your screen and closing unused programs and applications.
NOTE: If you are using the Dell docking station, this battery will be too large and you wont be able to connect to the docking station connection points.
Laptop Battery Express is a US based business with knowledgeable support staff to assist you before and after the sale. Yes, we have a phone number and real people answer your call! Free technical support is available if you need additional help in diagnosing power problems with your battery, ac power adapter or battery meter software.
All our products carry a full 2 Year warranty and every battery is charged and tested before it ships. We provide a 30 day money back guarantee if you are not completely satisfied. We are so confident in the quality of our batteries, we will pay for any and all shipping expenses if our product fails to perform in the first 30 days you have our battery.
