CWK High Performace New Laptop Battery for Dell Inspiron 1545 1525 1526 1546 Vostro 500 for Part #'s X284G XR693 312-0625 312-0633 312-0763 312-0844 451-10478 451-10533 GP952 J399N M911G RN873 RN873 RU586 [Li-ion 6-cell 5200mAh (4400mAh compatible)] 24 Months Warranty Condition: Brand New - Grade A cells Battery Type: Li-ion Voltage: 11.1 Volt (10.8 Volt compatible) Capacity: 5200mAh (Better than 4400mAh) 90 Day Money Back. Buy with confidence!