Laptop Battery 5200mAh 11.1V for Dell Latitude D820 D830. This replacement battery is compatible with Laptops for Dell. Power your Laptop with this Excellent Battery!                                                                        Specifications            Product Type    Replacement Battery    <br>Cell Type    Li-ion    <br>Cells    6    <br>Whr    57.7    <br>Voltage    11.1 V    <br>Capacity    5200mAh    <br>Color    Silver    <br>Compatible Part Number    310-9122，310-9123，312-0393，312-0394，312-0401，312-0402，312-0537，312-0538，<br>451-10308，451-10309，451-10326，451-10327，999C5830F，999C6570F，CF623，CF704，<br>CF71，CR160，CW666，CW674，DF192，DF230，DF249，FF231，FF232，GR932，GX047，<br>HR048，HX306，JT784，MM156，MM158，MM160，MM165，NX618，RW220，TT721，<br>WN791，WN979，XD735，XD736，XD739，YD623，YD624，YD626，YW652，YW670，TC030    <br>Compatible with    DELL Latitude D531 D531N D820 D830 Precision Workstation M65 M4300 select D530    <br>                                                            Package Includes            1 x Laptop Battery 5200mAh 11.1V for Dell Latitude D820 D830