Replacement laptop battery for DELL1525 1.Type: Li-ion 2.Color:Black 3.Dimension(mm): 4.N.W: 5.Voltage:11.1V 6.Capacity:4400mAh/6600mAh 7.Replacement For 0XR693312-0625312-0633GW240HP297RN873XR693 8. Compatible for Inspiron 1520Inspiron 1521Inspiron 1720Inspiron 1721 9.Warranty:12 months We supply laptop battery with competitive price and high quality. winning the customers' long-term trust by stable quality and professional after-sales maintaining service