Coolgo New Laptop Battery for Extended 7800mAh Battery for Dell Inspiron 0GW240 1525 1526 1545 RU583 9 Cell Extended 7800mAh Battery for Dell Inspiron 0GW240 1525 1526 1545 RU583 9 Cell High-Quality 11.1V 7800mAh Black 9 cells laptop battery replacement for Dell Inspiron 1525 1526 1440 and Vostro 500. Quality Certication: All the products pass the ISO9001, CE and ROHS, FCC multiple international authentication and completely accord with environmental protection requirement. Consummate Design: Excellent design makes the product not only has the overcharge, discharge and short circuit multiple protection, but also to balance charge-discharge of all the internal cells. Free shipping via USPS first class package from USA, 24 x 7 Email Support. Brand new direct from Professional Manufacturer, 18 Months warranty! Note: Not compatible with Dell Inspiron 1750 laptop batery.