37Wh Acer AP16M4J Battery

37Wh AP16M4J Battery for Acer Aspire 1, Aspire 3, Extensa and Spin 1 Series

This 37Wh Acer AP16M4J battery is designed for compatible Acer Aspire 1,
Aspire 3, Extensa, Extensa 15, Extensa 215, and Spin 1 series 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 7.6V output voltage, 4870mAh / 37Wh capacity, and
2-cell battery design, this battery supports everyday laptop use such as work,
school, browsing, email, documents, 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 AP16M4J
• Acer KT.00204.009
• Acer KT.00204.008

Compatible Laptop Models

This Acer AP16M4J battery is designed for the following Acer laptop model series. Please check
both your laptop model and battery part number before placing your order.

• Acer Aspire 1 (A114-21)
• Acer Aspire 1 (A114-32)
• Acer Aspire 1 (A114-33)
• Acer Aspire 1 (A115-31)
• Acer Aspire 1 (A115-32)
• Acer Aspire 3 (A314-21)
• Acer Aspire 3 (A314-22)
• Acer Aspire 3 (A314-22G)
• Acer Aspire 3 (A314-35)
• Acer Aspire 3 (A315-22)
• Acer Aspire 3 (A315-22G)
• Acer Aspire 3 (A315-23)
• Acer Aspire 3 (A315-23G)
• Acer Aspire 3 (A315-33)
• Acer Aspire 3 (A315-34)
• Acer Aspire 3 (A315-35)
• Acer Aspire 3 (A315-41)
• Acer Aspire 3 (A315-41G)
• Acer Aspire 3 (A315-42)
• Acer Aspire 3 (A315-42G)
• Acer Aspire 3 (A315-54)
• Acer Aspire 3 (A315-54K)
• Acer Aspire 3 (A315-55G)
• Acer Aspire 3 (A315-55KG)
• Acer Aspire 3 (A315-56)
• Acer Aspire 3 (A315-57)
• Acer Aspire 3 (A315-57G)
• Acer Aspire 3 (A315-58)
• Acer Aspire 3 (A315-58G)
• Acer Aspire 3 (A315-N19C1)
• Acer Aspire 3 (A317-32)
• Acer Aspire 3 (A317-33)
• Acer Aspire 3 (A317-51)
• Acer Aspire 3 (A317-51K)
• Acer Aspire 3 (A317-52)
• Acer Aspire 3 (A317-53)
• Acer Aspire 3 (A317-53G)
• Acer Extensa (EX215-21)
• Acer Extensa (EX215-52)
• Acer Extensa 15 (EX215-21)
• Acer Extensa 15 (EX215-21G)
• Acer Extensa 15 (EX215-22)
• Acer Extensa 15 (EX215-22G)
• Acer Extensa 15 (EX215-31)
• Acer Extensa 15 (EX215-32)
• Acer Extensa 15 (EX215-51)
• Acer Extensa 15 (EX215-51K)
• Acer Extensa 15 (EX215-53G)
• Acer Extensa 15 (EX215-54)
• Acer Extensa 15 (EX215-54G)
• Acer Extensa 215 (EX215-51)
• Acer Extensa 215 (EX215-51G)
• Acer Spin 1 (SP114-31)
• Acer Spin 1 (SP114-31N)

When Should You Replace Your Acer Laptop Battery?

If your Acer Aspire, Extensa, or Spin 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 AP16M4J Battery?

• Wide Acer model coverage: suitable for selected Aspire 1, Aspire 3, Extensa, Extensa 15, Extensa 215, and Spin 1 models listed above.
• 37Wh capacity: supports everyday laptop use, schoolwork, browsing, email, documents, and travel.
• 2-cell battery design: made for compatible Acer systems using the listed AP16M4J battery specifications.
• Stable power output: built for compatible laptops that use 7.6V AP16M4J 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 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 AP16M4J,
KT.00204.009, or KT.00204.008.

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.
• Use the correct tools and open the laptop carefully to avoid damaging the case 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 back cover.
• 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 AP16M4J?

Yes. This battery is suitable for Acer AP16M4J and related part numbers including KT.00204.009
and KT.00204.008.

Does this battery fit Acer Aspire 1 models?

Yes. This battery is listed for selected Acer Aspire 1 models, including A114-21, A114-32,
A114-33, A115-31, and A115-32.

Can this battery be used for Acer Aspire 3 models?

Yes. This battery is listed for many Acer Aspire 3 models, including A314, A315, and A317 series
laptops shown in the compatible model list above.

Does this battery support Acer Extensa models?

Yes. This battery is suitable for selected Acer Extensa, Extensa 15, and Extensa 215 models,
including EX215-21, EX215-22, EX215-31, EX215-32, EX215-51, EX215-52, EX215-53G,
and EX215-54 series models.

Does this battery fit Acer Spin 1 SP114-31?

Yes. This battery is listed for Acer Spin 1 SP114-31 and SP114-31N models.

What voltage is this battery?

This battery has an output voltage of 7.6V. Please compare it with the voltage printed on your
current battery before purchase.

What capacity is this battery?

The battery capacity is 4870mAh / 37Wh.

How many cells does this battery have?

This battery uses a 2-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 Aspire, Extensa, or Spin 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.