Look at this replaceable battery compatible with Dell Inspiron 1440 1750. It will certainly make your laptop regain energy by the use of the high capacity battery. It provides you with the strong battery life， which is great to solve the problems of the short-term use life and poor performance. The standby time of laptop battery is determined mainly by the mAh. This battery will provide you with enough standby time to satisfy your demand. Made with fine workmanship and by strict examination， this battery is up to standard that you could use it trustingly. It is good choice for your if you need use laptop frequently.                                    Features             You can get long hours of battery life without having to frequently plug into recharge with it<br> Using advanced cell technology and quality parts， it guarantees the stamina to meet your need of long work sessions and travel<br> Manufactured to the highest quality available with true enhanced performance<br> Powered by high quality cells<br> Can be charged while it is installed and the computer is connected to AC power <br>                                                            Specifications             Voltage     11.1V    <br> Capacity     7800mAh    <br> Battery Type     Rechargeable Li-ion Battery    <br> Cell     9Cell    <br> Color     Black    <br> Weight     15.34oz / 435g    <br> Dimensions     (10.82 x 2.17 x 1.57)" / (27.5 x 5.5 x 4)cm (L x W x H)    <br> Compatible with     Dell Inspiron 1440 1750     <br>                                                             Package Includes            1 x Battery<br>1 x User Manual<br>