54Wh Acer AP12A4i Battery

54Wh AP12A4i Battery for Acer Aspire M3, M5, TimelineU, Iconia W700 and TravelMate P6 Series

This 54Wh Acer AP12A4i battery is designed for compatible Acer Aspire M3,
Aspire M5, Aspire TimelineU, Iconia W700, and TravelMate P6 series devices. 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 an 11.1V output voltage, 4850mAh / 54Wh capacity, and
3-cell battery design, this battery supports everyday use such as work, school,
browsing, email, video playback, online meetings, office tasks, 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 AP12A4i
• Acer AP12A3i
• Acer BT.00303.028
• Acer BT.00304.011
• Acer BT00304011
• Acer KT.00303.002
• Acer KT.00304.006
• Acer KT00303002
• Acer KT00304006

Compatible Laptop Model Series

This Acer AP12A4i battery is designed for the following Acer Aspire, Iconia, and TravelMate model
series. Please check both your device model and battery part number before placing your order.

• Acer Aspire M3-481
• Acer Aspire M3-481G
• Acer Aspire M3-581G
• Acer Aspire M3-581PT
• Acer Aspire M3-581T
• Acer Aspire M3-581TG
• Acer Aspire M5-481
• Acer Aspire M5-481G
• Acer Aspire M5-481PT
• Acer Aspire M5-481PTG
• Acer Aspire M5-481T
• Acer Aspire M5-481TG
• Acer Aspire M5-581G
• Acer Aspire M5-581T
• Acer Aspire M5-581TG
• Acer Aspire TimelineU M3-481G
• Acer Aspire TimelineU M3-581PT
• Acer Aspire TimelineU M3-581PTG
• Acer Aspire TimelineU M3-581T
• Acer Aspire TimelineU M3-581TG
• Acer Aspire TimelineU M5-581TG
• Acer Iconia W700
• Acer Iconia W700P
• Acer TravelMate P6 (P645-M)
• Acer TravelMate P6 (P645-MG)
• Acer TravelMate P6 (P645-S)
• Acer TravelMate P6 (P645-SG)
• Acer TravelMate P6 (P645-VG)
• Acer TravelMate P6 (P648-G2-M)
• Acer TravelMate P6 (P648-G2-MG)
• Acer TravelMate P6 (P648-G3-M)
• Acer TravelMate P6 (P648-M)
• Acer TravelMate P6 (P648-MG)
• Acer TravelMate P6 (P658-G2-M)
• Acer TravelMate P6 (P658-G2-MG)
• Acer TravelMate P6 (P658-G3-M)
• Acer TravelMate P6 (P658-M)
• Acer TravelMate P6 (P658-MG)

When Should You Replace Your Acer Battery?

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

• The battery drains much faster than before.
• The device shuts down unexpectedly during use.
• The battery percentage drops suddenly or behaves abnormally.
• The device 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 AP12A4i Battery?

• Wide Acer model coverage: suitable for selected Aspire M3, Aspire M5, Aspire TimelineU, Iconia W700, and TravelMate P6 models listed above.
• 54Wh capacity: supports everyday laptop and tablet use, work, study, browsing, and travel.
• 3-cell battery design: made for compatible Acer systems using the listed AP12A4i battery specifications.
• Stable power output: built for compatible devices that use 11.1V AP12A4i or AP12A3i 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

Acer 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 AP12A4i, AP12A3i,
BT.00303.028, BT.00304.011, KT.00303.002,
KT.00304.006, KT00303002, or KT00304006.

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

Installation Notes

• Turn off the device completely before replacing the battery.
• Disconnect the charger and any external devices.
• Use the correct tools and open the device carefully to avoid damaging the case, screen, or internal parts.
• Do not bend, puncture, disassemble, or force the battery during installation.
• Make sure the battery connector is properly aligned before closing the device.
• After installation, charge the battery fully before regular use.
• If you are not familiar with laptop or tablet repair, professional installation is recommended.

Frequently Asked Questions

Is this battery suitable for Acer AP12A4i?

Yes. This battery is suitable for Acer AP12A4i and related part numbers including AP12A3i,
BT.00303.028, BT.00304.011, BT00304011, KT.00303.002, KT.00304.006, KT00303002, and KT00304006.

Does this battery fit Acer Aspire M3 models?

Yes. This battery is listed for selected Acer Aspire M3 models, including M3-481, M3-481G,
M3-581G, M3-581PT, M3-581T, and M3-581TG.

Can this battery be used for Acer Aspire M5 models?

Yes. This battery is listed for selected Acer Aspire M5 models, including M5-481, M5-481G,
M5-481PT, M5-481PTG, M5-481T, M5-481TG, M5-581G, M5-581T, and M5-581TG.

Does this battery support Acer Iconia W700?

Yes. This battery is listed for Acer Iconia W700 and Acer Iconia W700P.

Does this battery fit Acer TravelMate P6 models?

Yes. This battery is listed for selected Acer TravelMate P6 models, including P645, P648, and P658
series devices listed above.

What voltage is this battery?

This battery has an output voltage of 11.1V. Please compare it with the voltage printed on your
current battery before purchase.

What capacity is this battery?

The battery capacity is 4850mAh / 54Wh.

How many cells does this battery have?

This battery uses a 3-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 device 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.