This replacement battery is compatible with Laptops for Dell. Power your Laptop with this Excellent Battery!                                    Features                High quality generic Li-ion Battery for Dell Inspiron 1520 1521 1720 1721 GK479<br>    Original manufacturer compatible<br>    No memory effect. Chargeable even if it has not been used up yet<br>                                                            Specifications            Product Type    Replacement Battery    <br>Cell Type    Li-ion    <br>Cells    9    <br>Whr    86.6    <br>Voltage    11.1V    <br>Capacity    7800 mah    <br>Color    Black    <br>Dell Part Number    312-0504， 312-0513， 312-0518， 312-0520， 312-0575， 312-0576， 312-0577， 312-0589， 312-0590， 312-0594， 312-0595， 451-10476， 451-10477， FK890， FP282， GK479， NR239， Dell 312-0827    <br>Compatible with    DELL Inspiron 1520 1521 1720 1721， DELL VOSTRO 1500 1700    <br>                                                            Package Includes                1 x Battery for dell Inspiron 1520 1521 1720 1721 GK479 (11.1V 7800mAh)Black<br>