This  battery is compatible with following part numbers:

for Dell

310-9080 312-0383 312-0384 312-0386 312-0653 451-10297 451-10298 451-10299

451-10421 451-10422 GD775 GD776 GD787 JD605 JD606 JD610

JD616 JD634 JD648 JD775 JY366 KD489 KD491 KD492

KD494 KD495 NT379 PC764 PC765 PD685 RC126 RD300

RD301 TC030 TD116 TD117 TD175 TG226 UD088

This  battery is compatible with following models:

for Dell

Latitude D620 Latitude D630

Latitude D630 ATG Latitude D630 UMA

Latitude D630c Latitude D631

Precision M2300