This is a brand new Dell C313K battery for select Studio 15 models. This C313K battery is compatible with the Dell Studio 15, 1535, 1536, 1537, 1555, 1557, and 1558 laptop models. Additional compatible models and battery part numbers are listed below.

We use the highest quality lithium-ion batteries that charge faster and last longer than cheaper, lower quality batteries. This Dell C313K battery is rated at 5200 mAh or 58 Whr. This is the highest rating available for a 6 cell battery pack.

Laptop Battery Express is a US based business with knowledgeable support staff to assist you before and after the sale. Yes, we have a phone number and real people answer your call! Free technical support is available if you need additional help in diagnosing power problems with your battery, ac power adapter or battery meter software.

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 hours to 2-1/2 hours of run time with this Dell C313K battery when new, depending on your energy use. If you are looking for even longer battery run times, check out our DELL-93XT.