BATTERY TYPE:Li-ion Capacity:54WH Voltage:7.4V. High quality built-in circuit protection board guarantee durable usage and safety. More than 500 recharge cycles for the life of the battery
Replace Part Numbers: 3RNFD34GKR V8XN3G95J50909H50G95J55K1GW
Replacement For Laptop Model : DELL Latitude E7420 SeriesE7440 SeriesE7450 Series
Battery Use Tips:Up to 500 recharge cycles over the life of the battery. The actual operation time will depend on how much electricity is required by the device and how you use it
KingSener Tips:For the initial installation, please reinstall and check the interface fully connected, discharge the battery to 5%(not to 0%) and then charge to 95%, and cycle 3-4 times