FGY Replacement 5200mAh Laptop Battery for Dell Latitude D620 D630 D630C D630N D631 D640 P/N's: PP18L RD300 RD301 PC764 TC030 TD175 Laptops Brand:FGY ;12 Months Warranty! ;30 Days Money Back Guarantee Battery type: Li-ion; Capacity: 5200mAh/58WH; Cells: 6-cell; Voltage: 11.1V Package indluded:One laptop battery (in strong box) Please charge the laptop battery for 10-20 minutes before turn on your laptop at the first time you use the battery! Weight of the laptop battery : about 11.6 oz