LB1 High Performance Extended Capacity 73 Whr Battery for Dell Latitude E5440 Laptop Notebook [9 Cells 6600mAh 11.1V] LB1 High Performance&reg; battery for Dell Latitude E5440 are environmentally friendly and certified by RoHS to be free from mercury - lead - cadmium - PBDE and PBBs. LB1 High Performance&reg; Commercial Grade Laptop Batteries for Dell Latitude E5440 are custom manufactured to be 100% compatible and optimized for your Dell Latitude E5440 laptop Dell Latitude E5440 High Performance notebook battery utilizes high quality grade "A" cells for higher performance longer life and more reliability. Dell Latitude E5440 High Performance meets and/or exceed OEM specification and will not void your original manufacturer warranty. Batteries capacity: 6600 mAh | Chemistry: Li-ion | Cells: 9 | Voltage: 11.1 Volts | wHr: 73. Fast charging. Low power consumption. Built-in protection circuit ensures both safety and stability. 100% Customer Satisfaction.Fast Same-Day Shipping by 18:00 PM PDT.30-Day Money Back Guarantee. 18 Months Warranty. Exclusive $100000 Product Protection Plan! Satisfies Government - School - Health care enterprise and Corporate account purchase order requirements.