Battery for Dell Latitude E6400 E6410 E6500 E6510 Precision

Product details Fit laptop models: Dell Latitude E6400, Latitude E6400 ATG, Latitude E6400 XFR, Latitude E6410, Latitude E6410 ATG, Precision M2400, Precision M4400 Answered Question 1. How to use a new battery? Generally, new battery charges three or five times to active its electric performance. 2. How long is the battery life? In fact, replacement battery life, 12 cells battery standby time is about 4-5 hours, actual use time is 3-4 hours; 8 or 9 cells battery standby time is about 3-4 hours, actual use time is about 2-3 hours; 6 cells battery standby time is about 2-3 hours, actual use time is about 1-2 hours; 4 cells battery standby time is about 1-2 hours, actual use time is about 1hours. The peripheral interface uses more power, etc., use time is different, such as too hot environment, external usb, games, light, music use very