Tips:(Very important!!!)

(1) Before purchase, please confirm that your laptop model or part number Compatible with in our description;
(2) And also you can make a comparison between your original battery and our item, if same appearance(especially the connector location);
(3) It is no problem to replace with your laptop as long as your model or part number Compatible with in our description.

Specification:
Battery type: Li-ion
Voltage:7.6V
Capacity: 60Wh
Cell: 3 Cells
recharge cycles： 500
Operation time: Around 1.5-2.5hours

Replace Part Number:
71TG4 071TG4 K5XWW X49C1 0X49C1 6CYH6 725KY N18GG

Compatible Models:
For Dell Latitude 5289 2-in-1 Series
For Dell Latitude E5289 2-in-1 Series
For Dell Latitude 7389 Series
For Dell Latitude 7389 2-in-1 Series
For Dell Latitude 7390 2-in-1 Series (NOT fits for Latitude 7390 Series)
For Dell Latitude L3180 Series

How to confirm that the battery is suitable for your laptop?
Method 1: Use System Information to find your laptop model
Step 1: Press Windows + R to open Run window.
Step 2: Input "msinfo32" in the empty box and click OK to open System Information.
Step 3: Keep in the System Summary section, and you will find the System Model item in the right pane.
Method 2: Remove Battery from Laptop to find your laptop battery part number
Step 1: Switch off the laptop and unplug the power cable in case of electric shock
Step 2: Remove the back panel with the screwdriver. You should to this with care avoiding any harm to the laptop components.
Step 3: Disconnect the cable connected to the battery and then take out the battery. After that, you can check the specifications of your battery.
Install A New Battery:

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

Laptop Battery Instructions:

1. Discharge the new battery to 10% (not 0%), then charge(100%) and cycle 3-5 times to wake up the new battery.
2. It can calibrate the state of the battery by performing a complete and effective charging and discharging of the battery once a month.
3. Charge it to around 50% when you store it long term.
4. Do not keep your battery below 5% or deep discharge state (long time 0%), may turn on battery protection and cause the battery to fail to charge.
5. Please feel welcomed to notify us of any inconvenience or fault in our battery.

The following are troubleshooting methods:

1. Turn off the laptop.
2. Unplug AC power.
3. Remove the battery.
4. Replace AC power.
5. Turn on laptop,allow OS to boot.
6. Once logged into the machine, perform a normal shut down.
7. Unplug AC power.
8. Replace battery.

On Nov 13, 2025 at 20:32:24 PST, seller added the following information: