84Wh(11.4V, 6 cells cell) replacement Dell WJ5R2 batteries 

97Wh Latitude E5420 E6420 Laptop Battery

• Dell Latitude E7440 Battery Type: Li-Ion
• Dell Latitude E7440 Battery Capacity: 34WH ( 3 Cell )
• Dell Latitude E7440 Battery Volt: 11.1 V
• Dell Latitude E7440 Battery Color: Black
• Longer life

• Product Type: Dell Latitude E5440 Original Laptop Battery
• Condition: Brand new high Quality battery
• Voltage : 11.1V |
• Capacity : 5600mAh
• Battery color : Black
• Battery Part Number: 07XFJJ
• Warranty: 6 Months Warranty
• Delivery: Cash on Delivery Within Nairobi and environs.

• Battery Capacity: 4400mAh
• Battery Voltage: 11.1V
• Battery Type: Lithium-ion Technology
• Powerful Performance
• Dell Genuine Quality Product