Battery type: Li-ion; Capacity: 5200mAh; Cells: 6-cell; Voltage: 11.1V.
Compatible Models: Dell Latitude E5540 // Dell Latitude E5440.
Compatible Part Numbers : VV0NF // WGCW6 // 0M7T5F // 970V9 // 9TJ2J // CXF66 // N5YH9 // VJXMC // VVONF
Operation time for standard batteries(6-cell, 5200mah): Around 2 hours, the actual operation time will depend on how much electricity is required by the device and how you use it.
All DTK batteries are UL/CE-/FCC-/RoHS certified for safety and packed with a variety of safety features, including short circuit, overheat, and overload protections.Strict guidelines for compatibility, and standards compliance for environment safety.Grade A cells ensure fast charges and low power consumption; Built-in circuit protection ensures both safety and stability. 100% New from Manufacturer. Up to 500 recharge cycles .