Method 1: Use System Information to find your laptop model

• Step 1: Press" Windows + R "to open the Run window.
• Step 2: Type" msinfo32 "in the empty box and click" OK "to open System Information.
• Step 3: Keep in the "System Summary "sectionand you will find the" System Model "itemin the right pane.

Method 2: Open the back cover of the laptop and confirm the battery type and capacity, as well as the model of the laptop.

• Step 1: Turn off the laptop and unplug the power cord (to prevent electric shock)
• Step 2: Remove the back panel with a screwdriver. (Please proceed with care to avoid damage to the laptop's components.)
• Step 3: Disconnect the cable connected to the battery and remove it. After that, you can check the specifications of your battery.

Models:RJ40G

Voltage:15.2V

Capacity:63Wh

Battery Type:Li-ion

Battery Condition:Brand New

ØCompatible Part Numbers

RJ40G 01K2CF 075X16 0WK3F1 0M3KCN 005R42

ØCompatibleModels

(use "Ctrl+F" to find your model quickly)

For Dell Latitude 14 5420 CHKFM FDTCY XPC5H seriesFor Dell Latitude 15 5520 39V1H FPKNM seriesFor Dell Precision 15 3560 3H45Y 4MTF7 758J7 7RV10 F3T9T seriesFor Dell Latitude 14 5420 series.
For Dell Latitude 15 5520 series.
For Dell Precision 15 3560 series

Note: For more accrate, please check the part number of your original battery.

Note:

Please check your battery part number and Laptop Models to ensure you are getting the correct battery for your laptop!
The new battery needs 3-4 cycles of charging and discharging to 5%, and it takes about 7-8 hours to fully activate lithium ions to maximize its space.
Please do not let the battery discharge to the computer to shut down, otherwise it may be damaged easily and may not be charged fully.
If you connect external power to use for a long time, please remove the battery.
If you do not use battery for a long time, make sure to charge more than 80% every month.
If any problems when using our item you can feel free to contact us, we will reply within 24 hours and help you to solve.

ØShipping

Your orders will be shipped out within48 hoursafter your payment is verified(Saturdays & .Sundays are excluded.) .Generally takes3-7Days forUS customer FromNY.The tracking number will be updated the next business day you pay for it .

ØReturns & Warranty

Your repeat business is important for us, any reason, money back in 60 days and 12 months for warranty and exchange. We are responsible sellers, so please don't worry about after-sales service.

PLEASE CONTACT US, we will make it up and solve it more efficiently.

Øresponse

Your better comments will be an encouragement for us to offer the better quality and the better service in future.If you are satisfied with our service or product ,could you please leave us the 5 star positive response? Thank you so much . If you are not satisfied with them, please contact us first via Ask a Question or viaContact Sellerbefore leave a response . Your messages will be answered within24 hours. We shall try our best to solve your problem to your satisfaction.