DR02P R73TC 54Wh 3-Cell Laptop Battery Replacement for Dell Latitude 3340 3440 3450 3540 3550 5340 5350 5440 5450 5540 5550 7455 Precision 3480 3490 3580 3590 P127F P169G P181G 2X1V9 803W6 GRWKG JTG7N

Compatible Part NumberDR02P 2X1V9 803W6 0803W6 R73TC GTG7N KDM9P GRWKG 803W6Compatible ModelReplacement for Dell Latitude 14 3440 Series;Compatible ModelReplacement for Dell Latitude 14 5440 Series;Compatible ModelReplacement for Dell Latitude 14 5450 Series;Compatible ModelReplacement for Dell Latitude 14 7455 Series;Compatible ModelReplacement for Dell Latitude 15 5540 5550 Series;Compatible ModelReplacement for Dell Latitude 5340 5350 Laptop or 2-in-1 Series;Compatible ModelReplacement for Dell inspiron 14 Plus 7441 Series;Compatible ModelReplacement for Dell Precision 14 3480 3490 Mobile Workstation Series;Compatible ModelReplacement for Dell Precision 15 3580 3590 Mobile Workstation Series;Compatible ModelReplacement for Dell P170G P170G001 P127F P127F001 P169G P169G001 P165G001 P165G002 P165G003 P181G P181G001 P182G P182G001 Series;Compatible ModelReplacement for Dell P28F P28F004 P37G P37G004 Series.AttentionThe DR02P is compatible with Dell Precision 3580 3590 Series; Not compatible with Dell Latitude 15 3580 3590 Series. Please verify your laptop model before purchasing to ensure you need the DR02P battery.AttentionIf 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.

1, You need to turn off your laptop and disconnect the power.
2, Disconnect the connection between the old battery and the motherboard to avoid unnecessary damage caused by disassembling the battery. Then unscrew the old battery screws one by one and carefully save each screw.
3, Remove the old battery, carefully install the new battery on the battery case, screw in the screw, and connect the wiring of the new battery.
4, If you don't understand the above steps, you can search for the video about laptop battery installation on YouTube. Maybe it will help you.
1. Discharge the new battery use to 10%(not to 0%) and then charge to 95%, and cycle 3-4 times.
2. Do not disassemble, crush or puncture. Do not dispose of in fire or water.
3. If you remove the battery for a long time, charge more than 80% at least one time within one month.
4. Don't connect the adapter for a long time while using the battery. It may damage the battery.
5. When using the battery, care should be taken to prevent exposure and moisture.
1. Could be caused by battery loss. Please re-install the battery and make sure that the battery cable and the motherboard interface are tightly inserted.
2. Maybe due to conductive