Battery Model: WDX0R; Battery Type: Lithium-ion; Capacity: 50Wh/4400mAh; Voltage: 11.4V; Cells: 3-Cell Newly-Upgraded: Built on the Original 42Wh WDX0R design, this upgraded version delivers a higher 50Wh capacity for even more endurance Compatible Models: Work with Dell Inspiron 13 5378 5379 5368 7378 7368 15 5570 5567 5565 7573 7579 7569 Latitude 3500 3580 3590, etc Compatible P/N: WDX0R, WDXOR, P69G, 3CRH3, P58F, CYMGM, FW8KR, P69G001, T2JX4,FC92N, Y3F7Y, etc. Note: Not compatible with YRDD6 33YDH Multiple Protection:The next-gen IC chip guards against multiple risks and is certified to CE, ROHS, UL standards What You Get: WDX0R battery, repair tools, instruction manual and friendly customer service