Battery Energy+ brand Li-Ion 6 cell for Dell Latitude D620, D630, D630N, D631, D631N, D830N replaces Dell part numbers 310-9080, 312-0383, 312-0384, GD775, GD776, GD785, GD787, JD605, JD606, JD610, JD616 ,JD617, JD634, JD648, KD489, KD491, KD492, KD494, KD495, MJ456, PC764, RC126. "11.1V 5200mAH Fully Charged and Tested 1 year Warranty"