Technical SpecificationsProduct Code : DELL D620 Battery Type : Li-ion Battery Capacity : 5200mAh Battery Weight : 325g Battery Voltage : 11.1V Cell QTY :6 Battery Color : Grey Battery Dimension : 185.3*66*20mm Compatiblebatterycodes0JD605 0JD606 0JD610 0JD616 0JD634 0JD648 0GD775 0GD787 0KD489 0KD491 0KD494 0KD495 0RD300 0RD301 0PD685 0NT367 0TD116 0TD117 0TD175 0TG226 0TC030 0UD088 0UG260 GD775 GD776 GD787 JD605 JD606 JD610 JD616 JD634 JD648 JD775 KD489 KD491 KD492 KD494 KD495 KP423 PC765 PC764 PD685 RC126 RD300 RD301 TC030 TD116 TD117 TD175 TG226 UD088 NT379 310-9080 310-9081 312-0654 312-0653 312-0383 312-0384 312-0386 451-10298 FitsmachinemodelsLatitude D620 Latitude D630 Latitude D630c Latitude D631 Precision M2300 Your Right choice1. professional laptop battery manufacture. 2. Powerful R&D team,best technical support. 3. Battery shell mold through sophisticated design, using high-intensity fire produced eco-friendly materials, the appearance of original equipment batteries to meet the requirements. 4. Using the most advanced power management chip, a combination of safe design, makes our safe and reliable battery in the premise, to achieve the best performance. 5. Batteries factory to be carried out in strict appearance and performance testing to guarantee to customers that have 100 percent yield. 6. Battery through fully computerized refined by advanced technology, lead-free operating system to ensure that the product is not mercury, lead, cadmium and other harmful substances, in full compliance with the requirements of environmental protection. 7. Battery allows you to enjoy life, wonderful moment. 8. Factory directly offer, competitive price. 9. One year warranty. Proper use1. Upon initial use (or after a prolonged storage period) the battery may require two to three charge/discharge cycles before achieving maximum capacity. 2. If the battery will not be used for a month or longer, it’s recommended that it is removed from the device and stored in a cool, dry, clean place at about a 50% capacity level. 3. Leaving a battery in a laptop while using an electrical outlet for long periods of time will keep the battery in a constant stake of charging up and that will reduce the life cycle of the battery.