66DWX WW8N8 Laptop Battery for Dell Latitude 7640 7650 7440 7450 7340 7350

Compatible Part Number 66DWX 86D0Y 086D0Y 0HYH8 00HYH8 0CTJJ6 0JNYT4 WW8N8 0047T0 0V0W55 FH97R 0599M7 076KVG Compatible Model Replacement for Dell Latitude 7340 Series; Compatible Model Replacement for Dell Latitude 7350 Series; Compatible Model Replacement for Dell Latitude 7440 Series; Compatible Model Replacement for Dell Latitude 7450 Series; Compatible Model Replacement for Dell Latitude 7640 Series; Compatible Model Replacement for Dell Latitude 7650 Series; Compatible Model Replacement for Dell Latitude P126F P126F001 Series; Compatible Model Replacement for Dell Latitude P175G P175G001 Series; Compatible Model Replacement for Dell Latitude P176G P176G001 Series; Compatible Model Replacement for Dell Latitude P178G P178G001 Series; Compatible Model Replacement for Dell Latitude P179G P179G001 Series. Attention If you install the battery, you find that the laptop cannot detect the battery or the battery level cannot be displayed normally. Please check whether the battery cable is installed properly. Sometimes the battery cannot be charged because the cable is not fixed properly. What do I need to be aware of when I receive a battery?
You need to check its appearance, confirm the model, read the instruction manual. Cycle and charge it 5 to 6 times to activate the maximum usage space of the battery. When not in use temporarily, charge the battery to 50%-60%.

What should I do if laptop won't boot up after installing a new battery?
1.Check if the battery is properly seated and connections are clean. 2.Try charging it or use the adapter alone to start. 3.Examine hardware links, like RAM and adapters. 4.Reset BIOS settings if needed. 5.Enter Safe Mode to fix system issues.

How should I do if the battery is not recognised?
If it is not recognised, it is recommended to update the BIOS settings or please disconnecting the old battery, and holding down the power button for 20 seconds, then connect the new battery.

What should I do if the battery expands?
1.Power off your laptop and disconnect it from any power source. 2.Carefully remove the swollen battery from the laptop in a well-ventilated area, avoid pressing or squeezing the battery during removal.

What can you do if you are not satisfied with the battery?
Please Contact ZTHY, we'll help you. Our battery have 12 months replace a new one and 30 days moeny back guarrante.

Compatible with Laptop models: Press [Ctrl + F] to search for your type What do I need to be aware of when I receive a battery?
What should I do if laptop won't boot up after installing a new battery?
How should I do if the battery is not recognised?
What should I do if the battery expands?
What can you do if you are not satisfied with the battery?