This Dell 9F4FN battery uses the highest quality Li-ion cells on the market from Samsung.
This Dell 9F4FN battery is rated 7.2 volts and 40 Whr and will normally last 5-8 hours on a full charge. You can get longer battery life by dimming your screen and closing unused programs and applications.
We are 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.
