EconMax 5400mAh Lithium Laptop Battery for Dell Inspiron 6000 9200 9300 9400 E1705 Precision M90 M6300 Part 310-6321 310-6322 312-0349 312-0350 312-0425 312-0339 312-0340 312-0348 G5260 G5266 C5447 C5974 F5635 U4873