This Dell laptop battery replacement features Li-ion chemistry within its cells. Li-ion battery technology provides longer run times with less weight. In addition, Li-ion batteries are not subject to memory effect common with older battery technology. You can expect about 2 to 2-1/2 hours of run time with this battery when new. As with all Li-ion batteries, run time will decrease over time. This laptop battery replacement is 100% compatible with the original battery specifications and is individually tested and backed by a 1 year warranty. This is a 53 WHr 6-cell Lithium-Ion Primary Battery for Dell Inspiron 1501/ 6400/ E1505 Laptops. Rated at 11.1 Volts and  4400 mAh capacity battery.

Fits these Dell laptops: Dell Inspiron E1505, Inspiron 1501, Inspiron 6400, and Vostro 1000. Compatible with Dell notebook battery part numbers: 312-0461, RD859, 312-0427, 310-6322, G5266, U4873, 312-0428, 312-0339, 312-0348, 312-0349, 312-0350, C5974, F5635, 312-0460, 312-0461, 312-0466, 312-0467, 312-0599, 312-0600, 451-10338, 451-10339, 451-10424, 451-10482, GD761, KD476, PD942, PD945, PD946, PR002, RD850, RD855, RD857, RD859, TD344, TD347, TD349, UD260, UD264, UD265, UD267, XU937