0TM987, as one of the compatible version battery issed by the USBPHONEWORLD, is totally compatible with the Dell Laptop Models such like Dell Inspiron 1520, Dell Inspiron 1521, Dell Insprion 1720, and Dell Insprion 1721. Our 0TM987 battery is a 6 cell lithium battery with the output rating 11.1V and 4400mAh capacity. The average life of this battery is around two years and the usage time is betweem two to three hours. This battery is 100% OEM compatible and guarantees to meet or exceed all the specification of the original battery. And it offers a high-tech and wonderful performance relating to the newer technology of the lithium battery. For customer's convenience, we offer the different shipping options which make sure that the customers can receive the battery on time as their requests. Furthermore, we also have a wonderful warranty plan: one year free warranty came with the battery and 3 years optional extended warranty with only $39.95.
This battery also compatible other Dell Battery's Part Numbers, please check the compatible part number list for more information. The best way to pick up the right battery is to match both the laptop models and the part number on the old battery.
The USBPHONEWORLD also carry the 9-cell higher capacity version for this compatible battery