Always on the go? No more worries for running out of battery power! You can back yourself up with a Lithium-Ion battery for your DELL™ Inspiron™ notebook. This 12-cell battery has capacity of 94 WHr. Lithium-Ion batteries are longer lived than conventional batteries and do not require replacement as often. There is no battery memory effect with a lithium-ion battery — you can charge the battery whenever you like without fear of reducing its charge capacity. Moreover, you do not need to drain a lithium-ion battery completely before recharging it. This product has been tested and validated on DELL™ systems to ensure it will work with your computer and is compatible with DELL™ Inspiron™ 1100 / 5100 notebooks.