Revive your Dell Studio battery life with a new Dell 312-4009 battery from Laptop Battery Express. This 312-4009 battery uses the highest quality lithium-ion cells that charge faster and last longer. Each battery is tested and backed by a 2 year warranty and 30-day return.

This 312-4009 battery is compatible with the Dell Studio 1450, 1450n, 1457, 1457n, 1458 and 1458n models and H830 battery part number. Additional compatible laptop models and battery part numbers are listed below. You can find your Dell Studio listed near your keyboard and the battery part number on the battery itself. Don't see your Dell Studio battery part or model number? Go to our Dell Studio battery page for the full listing or call our tech support for help. Chances are we have it!

You can expect about 2 - 3 hours of run time with this 312-4009 battery when new, depending on your energy use.

This 312-4009 battery replaces the Dell Studio 1450, 1450n, 1457, 1457n, 1458, 1458n, and H830 series batteries.