30Wh Panasonic CF-VZSU81 Battery

30Wh CF-VZSU81 Battery for Panasonic Lets Note AX2 and CF-AX Series

This 30Wh Panasonic CF-VZSU81 battery is designed for compatible Panasonic
Lets Note and CF-AX series laptops, including selected CF-AX2 and
CF-AX3 models. It is a suitable replacement when your current battery drains
quickly, no longer holds a charge, or your Panasonic laptop needs reliable portable power again.

With a 7.2V output voltage, 4400mAh / 30Wh capacity, and
4-cell battery design, this battery supports everyday mobile use such as office
work, study, web browsing, document editing, video playback, online meetings, and travel.

Product Information

Compatible Part Numbers

Please compare the battery part number printed on your current battery before ordering. This
battery is compatible with the following Panasonic battery part numbers:

• Panasonic CF-VZSU81
• Panasonic CF-VZSU81EA
• Panasonic CF-VZSU81JS
• Panasonic CF-VZSU81R
• Panasonic CF-VZSU85
• Panasonic CF-VZSU85JS

Compatible Model Series

This Panasonic CF-VZSU81 battery is designed for the following Panasonic Lets Note and CF-AX
series laptop models. Please verify your exact laptop model and battery part number before
placing your order.

Panasonic Lets Note Series

• Panasonic Lets Note AX2

Panasonic CF-AX Series

• Panasonic CF-AX2 Series
• Panasonic CF-AX3 Series

Note: Panasonic CF-AX series batteries may have similar part numbers but
different connector layouts, casing shapes, or locking structures. Please confirm physical shape
compatibility before purchase.

When Should You Replace Your Panasonic CF-AX Battery?

If your Panasonic Lets Note or CF-AX laptop no longer provides enough runtime for daily use,
replacing the battery can help restore stable mobile performance without replacing the entire
laptop.

• The battery drains unusually fast.
• The laptop shuts down unexpectedly.
• The battery no longer charges fully.
• The system displays battery health or charging warnings.
• The laptop only works when connected to the charger.
• The battery percentage changes abnormally or suddenly drops.

Why Buy This CF-VZSU81 Battery?

• Designed for compatible Panasonic models: suitable for selected Lets Note AX2, CF-AX2, and CF-AX3 laptops.
• 30Wh capacity: supports portable work, study, browsing, meetings, and travel.
• 4-cell battery design: built for compatible Panasonic CF-AX series systems.
• Stable power output: designed for Panasonic laptops requiring 7.2V CF-VZSU81 series batteries.
• Brand new battery: a practical replacement option for aging or weak batteries.
• 12-month warranty: provides additional confidence when ordering.
• 30-day return policy: gives extra peace of mind after purchase.

Important Compatibility Reminder

Panasonic batteries may look very similar while using different connector positions, voltage
ratings, casing designs, or internal layouts. Before ordering, please confirm that your current
battery part number matches one of the listed compatible references, such as
CF-VZSU81, CF-VZSU81EA,
CF-VZSU81JS, CF-VZSU81R,
CF-VZSU85, or CF-VZSU85JS.

You can usually find the battery model printed directly on the battery label. Your Panasonic
laptop model number can typically be found on the bottom label, BIOS screen, or system
information page.

Before Ordering

• Verify your exact Panasonic laptop model number.
• Compare your current battery part number with the compatible part numbers listed above.
• Compare the battery shape with your original battery.
• Confirm that the connector type and connector position match your original battery.
• Check that the battery voltage matches your current battery specifications.
• Contact us if you need compatibility assistance before purchase.

Installation Notes

• Turn off the laptop completely before replacing the battery.
• Disconnect the charger and any external accessories.
• Remove the old battery carefully according to the Panasonic service structure.
• Do not bend, puncture, or force the battery during installation.
• Ensure the battery is correctly connected and securely installed before powering on the laptop.
• Charge the battery fully before first regular use.
• If you are unfamiliar with laptop battery replacement, professional installation is recommended.

Frequently Asked Questions

Is this battery compatible with Panasonic CF-VZSU81?

Yes. This battery is compatible with Panasonic CF-VZSU81.

Can this battery replace Panasonic CF-VZSU81EA or CF-VZSU81JS?

Yes. Panasonic CF-VZSU81EA and CF-VZSU81JS are included in the compatible part number list.

Does this battery support Panasonic CF-VZSU85?

Yes. Panasonic CF-VZSU85 and CF-VZSU85JS are listed as compatible part numbers.

Does this battery fit Panasonic Lets Note AX2?

Yes. Panasonic Lets Note AX2 is included in the compatible model list.

Can this battery be used with Panasonic CF-AX2 Series?

Yes. Panasonic CF-AX2 series laptops are listed as compatible models.

Is this battery compatible with Panasonic CF-AX3 Series?

Yes. Panasonic CF-AX3 series models are included in the compatibility list.

What voltage does this battery use?

This battery uses a 7.2V output voltage. Please compare it with the specifications printed on
your current battery before ordering.

What capacity does this battery provide?

This battery provides 4400mAh / 30Wh capacity.

How many cells does this battery use?

This battery uses a 4-cell design.

Is this battery brand new?

Yes. This product is listed as brand new.

Why should I confirm the battery shape before ordering?

Panasonic batteries with similar part numbers may still have different connector layouts,
physical dimensions, or mounting structures. Comparing your original battery shape with the
product images helps avoid compatibility issues.

What should I check before purchasing?

Please verify your Panasonic laptop model, current battery part number, voltage specification,
connector type, connector position, and physical battery shape before ordering.