48Wh Acer AS07B51 Battery

48Wh AS07B51 Battery for Acer Aspire, Extensa, TravelMate and Packard Bell EasyNote Series

This 48Wh Acer AS07B51 battery is designed for compatible Acer Aspire,
Acer Extensa, Acer TravelMate, and selected Packard Bell EasyNote laptops. It is a suitable
choice when your current battery drains quickly, no longer holds a charge, or your laptop needs
stable portable power again.

With a 10.8V output voltage, 4400mAh / 48Wh capacity, and
6-cell battery design, this battery supports everyday laptop use such as work,
school, browsing, email, video playback, online meetings, and travel.

Product Information

Compatible Part Numbers

Please compare the part number printed on your current battery before ordering. This battery is
suitable for the following Acer battery part numbers:

• Acer AS07B51
• Acer BT.00605.021

Compatible Laptop Model Series

This Acer AS07B51 battery is designed for the following Acer Aspire, Acer Extensa, Acer TravelMate,
and Packard Bell laptop model series. Please check both your laptop model and battery part number
before placing your order.

• Acer Aspire 5220
• Acer Aspire 5220G
• Acer Aspire 5230
• Acer Aspire 5310
• Acer Aspire 5315
• Acer Aspire 5320
• Acer Aspire 5330
• Acer Aspire 5520
• Acer Aspire 5520G
• Acer Aspire 5530
• Acer Aspire 5530G
• Acer Aspire 5710
• Acer Aspire 5710G
• Acer Aspire 5710Z
• Acer Aspire 5715
• Acer Aspire 5715Z
• Acer Aspire 5720
• Acer Aspire 5720G
• Acer Aspire 5720Z
• Acer Aspire 5720ZG
• Acer Aspire 5730
• Acer Aspire 5730Z
• Acer Aspire 5730ZG
• Acer Aspire 5739
• Acer Aspire 5739G
• Acer Aspire 5920
• Acer Aspire 5920G
• Acer Aspire 5921
• Acer Aspire 5922
• Acer Aspire 5930
• Acer Aspire 5930G
• Acer Aspire 5930Z
• Acer Aspire 5935
• Acer Aspire 5935G
• Acer Aspire 5940G
• Acer Aspire 5942G
• Acer Aspire 6530G
• Acer Aspire 6920
• Acer Aspire 6920G
• Acer Aspire 6930
• Acer Aspire 6930G
• Acer Aspire 6930ZG
• Acer Aspire 6935
• Acer Aspire 6935G
• Acer Aspire 7220
• Acer Aspire 7230
• Acer Aspire 7320
• Acer Aspire 7330
• Acer Aspire 7520
• Acer Aspire 7520-403
• Acer Aspire 7520G
• Acer Aspire 7530
• Acer Aspire 7530G
• Acer Aspire 7535
• Acer Aspire 7535G
• Acer Aspire 7540
• Acer Aspire 7540G
• Acer Aspire 7720G
• Acer Aspire 7720ZG
• Acer Aspire 7730G
• Acer Aspire 7730Z
• Acer Aspire 7730ZG
• Acer Aspire 7735
• Acer Aspire 7735G
• Acer Aspire 7735Z
• Acer Aspire 7735ZG
• Acer Aspire 7736
• Acer Aspire 7736G
• Acer Aspire 7736Z
• Acer Aspire 7736ZG
• Acer Aspire 7738G
• Acer Extensa 7230E
• Acer Extensa 7230EZ
• Acer Extensa 7630
• Acer Extensa 7630EZ
• Acer Extensa 7630G
• Acer Extensa 7630Z
• Acer TravelMate 7330
• Acer TravelMate 7530
• Acer TravelMate 7530G
• Acer TravelMate 7730
• Acer TravelMate 7730G
• Packard Bell EasyNote DT85
• Packard Bell EasyNote LJ61
• Packard Bell EasyNote LJ65
• Packard Bell EasyNote LJ67
• Packard Bell EasyNote LJ71
• Packard Bell EasyNote LJ75
• Packard Bell EasyNote LJ77
• Packard Bell Model KBYF0

When Should You Replace Your Acer Laptop Battery?

If your Acer or Packard Bell laptop no longer provides enough runtime for normal use, changing the
battery can help restore convenient portable performance without replacing the entire computer.

• The battery drains much faster than before.
• The laptop shuts down unexpectedly during use.
• The battery percentage drops suddenly or behaves abnormally.
• The laptop only works when connected to the charger.
• The battery does not charge to full capacity.
• Windows or BIOS shows a battery health warning.

Why Buy This AS07B51 Battery?

• Wide Acer model coverage: suitable for many Acer Aspire, Extensa, and TravelMate models listed above.
• Packard Bell compatibility: also suitable for selected Packard Bell EasyNote models.
• 48Wh capacity: supports everyday laptop use, work, study, browsing, and travel.
• 6-cell battery design: made for compatible systems using the listed AS07B51 battery specifications.
• Stable power output: built for compatible laptops that use 10.8V AS07B51 batteries.
• Brand new battery: a practical option when your current battery becomes weak or unreliable.
• 12-month warranty: gives customers more confidence when ordering.
• 30-day return policy: provides extra peace of mind after purchase.

Important Compatibility Reminder

Laptop batteries may look similar but can have different voltage, connector position, battery shape,
capacity, or internal layout. Before ordering, please confirm that your current battery part number
matches one of the listed part numbers, such as AS07B51 or
BT.00605.021.

You can usually find the battery part number printed on the battery label. You can also check your
laptop model number on the bottom cover, system information page, or original device label.

Installation Notes

• Turn off the laptop completely before replacing the battery.
• Disconnect the charger and any external devices.
• Remove the old battery carefully and make sure the new battery is properly aligned.
• Do not bend, puncture, disassemble, or force the battery during installation.
• After installation, charge the battery fully before regular use.
• If you are not familiar with laptop repair, professional installation is recommended.

Frequently Asked Questions

Is this battery suitable for Acer AS07B51?

Yes. This battery is suitable for Acer AS07B51 and related part number BT.00605.021.

Does this battery fit Acer Aspire 5720 and 5730 series laptops?

Yes. This battery is listed for selected Acer Aspire 5720, 5720G, 5720Z, 5720ZG, 5730,
5730Z, and 5730ZG models.

Can this battery be used for Acer Aspire 5920 and 5930 models?

Yes. This battery is listed for selected Acer Aspire 5920, 5920G, 5921, 5922, 5930,
5930G, 5930Z, 5935, and 5935G models.

Does this battery support Acer Aspire 7735 and 7736 models?

Yes. This battery is listed for selected Acer Aspire 7735, 7735G, 7735Z, 7735ZG, 7736,
7736G, 7736Z, and 7736ZG models.

Does this battery fit Acer Extensa and TravelMate models?

Yes. This battery is suitable for selected Acer Extensa 7230E, 7230EZ, 7630, 7630EZ,
7630G, and 7630Z models, as well as selected Acer TravelMate 7330, 7530, 7530G, 7730,
and 7730G models.

Does this battery fit Packard Bell EasyNote models?

Yes. This battery is suitable for selected Packard Bell EasyNote DT85, LJ61, LJ65, LJ67,
LJ71, LJ75, LJ77, and Packard Bell Model KBYF0.

What voltage is this battery?

This battery has an output voltage of 10.8V. Please compare it with the voltage printed on your
current battery before purchase.

What capacity is this battery?

The battery capacity is 4400mAh / 48Wh.

How many cells does this battery have?

This battery uses a 6-cell design.

Is this battery brand new?

Yes. This product is listed as brand new.

What should I check before buying?

Please check your Acer or Packard Bell laptop model, current battery part number, battery voltage,
and battery shape. The safest way to confirm fit is to compare the part number on your current battery
with the part numbers listed above.