The Dell D1535 is available from Calhoun Technologies. We have helped companies like yours save up to 80% on IT equipment. Our experienced and knowledgeable sales executives are ready to provide quick response to your needs for servers, storage and networking equipment. For live customer service call 866-546-8895. OEM Number: 312-0702, MT264, WU946, KM965 Other P/N: 312-0702, MT264, WU946, KM965 Short Description: Dell Studio 1535/1536 Battery (11.1V, 4400mAh, 6 Cells)