Get longer battery life with a new Dell Studio Type WU946 replacement battery. This WU946 battery is compatible with the Dell Studio 15, 1535, 1536, 1537, 1555, 1557, and 1558 models.

This WU946 battery contains the highest quality Li-ion cells on the market from Samsung and components from Texas Instruments. This Dell WU946 battery is rated at 5200 mAh will typically last up to 2.5 hours on a full charge. You can get longer battery life by dimming your laptop screen and closing unused programs.

All our products carry a full 2 Year warranty and every battery is charged and tested before it ships. We provide a 30 day money back guarantee if you are not completely satisfied.

You can expect about 2.5 hours of run time with this Dell replacement WU946 battery when new, depending on your energy use. If you are looking for even longer battery run times, check out our Dell long run Studio 15 battery.