This is a brand new TR2F1 battery for the Dell Inspiron Duo 1090 laptop. It is also compatible with the 0TR2F1 and TR2F1 battery part numbers. Additional part numbers are listed below.

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, even if it is not our fault.

You can expect up to 3 - 5 hours of run time with this Dell TR2F1 replacement battery when new, depending on your energy use.