Dell Laptop Battery for Latitude E5420, E5520, E6220, E6420, E6520, Inspiron 4R-4420, 14R-5420, 14R-5425, 14R-7420, 14R-SE-4420, Vostro 3460, 3560, 3360, Precision M2800*Please double check your old battery against our pictures, mainly unique edges and connection points* Compatible Laptop BrandDELLConditionBrand NewCell Number6 CellsCapacity4400 mAhOutput Voltage10.8V / 11.1VColourBlackCell TechnologyLi-Ion BatteryWarranty1 Year from purchaseCompatible Battery Part Number (Use Ctrl F to search)P8TC7 P9TJ0 R48V3 PRRRF RU485 T54F3 T54FJ UJ499 YKF0M X57F1 04NW9312-1163 312-1242 312-1310 312-1311 451-119478858X 8P3YX 911MDHCJWT KJ321 M5Y0X NHXVW 4YRJH Compatible Laptop Model (Use Ctrl F to search)DELL Audi A4 Series DELL Audi A5 Series DELL Audi S5 SeriesDELL Inspiron 14R SeriesInspiron 14R-4420 Inspiron 14R-5420 Inspiron 14R-5425 Inspiron 14R-7420 Inspiron 14R-SE-4420 Inspiron 14R-SE-5420 Inspiron 14R-SE-7420 Inspiron 14R-SE Inspiron 14R TurboDELL Inspiron 15R Series Inspiron 15R-4520 Inspiron 15R-5520 Inspiron 15R-5525 Inspiron 15R-7520 Inspiron 15R-SE-4520 Inspiron 15R-SE-5520 Inspiron 15R-SE-7520 Inspiron 15R-SE Inspiron 15R TurboDELL Inspiron 17R Series Inspiron 17R-4720 Inspiron 17R-5720 Inspiron 17R-7720 Inspiron 17R-SE Inspiron 17R-SE-4720 Inspiron 17R-SE-5720 Inspiron 17R-SE-7720 Inspiron 17R TurboInspiron 4420 Series Inspiron 4520 Series Inspiron 4720 Series Inspiron 5420 Series Inspiron 5425 Series Inspiron 5520 Series Inspiron 5525 Series Inspiron 5720 Series Inspiron 7420 Series Inspiron 7520 Series Inspiron 7720 Series Inspiron M421R Series Inspiron M521R Series Inspiron N4420 Series Inspiron N5420 SeriesInspiron N5520 Series Inspiron N5720 Series Inspiron N7420 Series Inspiron N7520 Series Inspiron N7720 SeriesVostro 3460 Series Vostro 3560 Series Latitude E5420E5420 N-Series E5430 E5520 E5520 BRC 6 E5520 N-Series E5520m E5530 E6420 E6420 N-Series E6430 E6430 ATG E6520 E6520 N-Series E6530 Proper Battery Usage For first time usage, please charge the battery for 3 to 4 hours before using the laptop - usually it requires 2 to 3 charge/ discharge cycles before the battery achieves maximum capacity. Best practice is to unplug the charger when the battery is full. And plug in charger when battery reaches 20% to 30%. Usage time depends on how you are using your laptop. eg screen brightness, number of applications running etc. Average time is around 2 to 3 hours of continuous usage. Careful not to short-circuit the battery by placing the terminals in contact with other metal objects.
