Welcome to Kappir:
Dear customers, thank you for your interest and support for our laptop battery. We are a professional laptop battery manufacturer, dedicated to manufacture and provide different type high quality laptop batteries for our customers. Thanks for your trust again!

Specification:
Model:AA-PBTN4LR Battery Type: Li-ion
Voltage: 11.4V Capacity: 54Wh
Location of connector and Cable length: Please refer to the battery picture and compare with your original battery

Replacement Part Number:
AA-PBTN4LR AA-PBTN4LR-05 BA43-00386A

Compatible Models: (use "Ctrl+F to find your model quickly")
Samsung Notebook 9 Pro NP940X3M Series:
NP940X3M-K01US, NP940X3M-K02US, NP940X3M-K03US.

Samsung Notebook 9 Pro NP940X5M Series:
NP940X5M-X01US, NP940X5M-X02US, NP940X5M-X03US.

Samsung Notebook 9 Pro NP940X5N Series:
NP940X5N-X01US, NP940X5N-X02US.

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

Packing Included:
1* AA-PBTN4LR battery
1* Instruction manual

Warm tips before purchase:
Please open your laptop case, check and confirm your original battery model and appearance, compared with our battery image, make sure that's what you need. Especially the location of the connector and the cable length (long or short)

Battery Maintenance Method for Optimal Use:
①　When you get the new battery, discharge the battery to 5% (not 0%), then charge and cycle 3-4 times to wake up the new battery
②　The important point is to perform a full discharge and charge every other month to extend the battery life
③　Do not connect adapter for a long time while using the battery. It may damage the battery
④　Avoid artificial shocks, disassembly, crush or puncture. Do not dispose of it in fire or water