36Wh Acer AC14B18J Battery

36Wh AC14B18J Battery for Acer Aspire, Chromebook, Extensa, TravelMate and Packard Bell EasyNote Series

This 36Wh Acer AC14B18J battery is designed for compatible Acer Aspire 1,
Aspire 3, Aspire E3, Aspire ES1, Chromebook 11, Extensa, TravelMate B1, 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 an 11.4V output voltage, 3220mAh / 36Wh capacity, and
3-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 AC14B18J
• Acer KT.0030G.004
• Acer KT.00303.015
• Acer KT.00303.016
• Acer KT.00303.021
• Acer KT.0030G.009
• Acer KT.0030G.010
• Acer KT.0030G.011
• Acer KT.0030G.017
• Acer KT00303015
• Acer KT00303016
• Acer KT00303021
• Acer KT0030G004
• Acer KT0030G009
• Acer KT0030G010
• Acer KT0030G011
• Acer KT0030G017

Compatible Laptop Model Series

This Acer AC14B18J battery is designed for the following Acer and Packard Bell laptop model series.
Please check both your laptop model and battery part number before placing your order.

• Acer Aspire 1 (A111-31)
• Acer Aspire 3 (A311-31)
• Acer Aspire 3 (A314-21)
• Acer Aspire 3 (A314-22)
• Acer Aspire 3 (A314-22G)
• Acer Aspire 3 (A314-31)
• Acer Aspire 3 (A314-32)
• Acer Aspire 3 (A315-21)
• Acer Aspire 3 (A315-21G)
• Acer Aspire 3 (A315-22)
• Acer Aspire 3 (A315-22G)
• Acer Aspire 3 (A315-23)
• Acer Aspire 3 (A315-23G)
• Acer Aspire 3 (A315-31)
• Acer Aspire 3 (A315-33)
• Acer Aspire 3 (A315-34)
• Acer Aspire 3 (A315-41)
• Acer Aspire 3 (A315-41G)
• Acer Aspire 3 (A315-42)
• Acer Aspire 3 (A315-42G)
• Acer Aspire 3 (A315-51)
• Acer Aspire 3 (A315-53)
• Acer Aspire 3 (A315-53G)
• 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 (A315-57G)
• Acer Aspire 3 (A315-N19C1)
• Acer Aspire 3 (A317-32)
• Acer Aspire 3 (A317-51)
• Acer Aspire 3 (A317-51G)
• Acer Aspire 3 (A317-51K)
• Acer Aspire 3 (A317-51KG)
• Acer Aspire E3-112
• Acer Aspire ES1-111
• Acer Aspire ES1-111M
• Acer Aspire ES1-131 (500GB HDD)
• Acer Aspire ES1-132
• Acer Aspire ES1-311
• Acer Aspire ES1-331
• Acer Aspire ES1-332
• Acer Aspire ES1-511
• Acer Aspire ES1-512
• Acer Aspire ES1-521
• Acer Aspire ES1-522
• Acer Aspire ES1-523
• Acer Aspire ES1-524
• Acer Aspire ES1-531
• Acer Aspire ES1-532G
• Acer Aspire ES1-533
• Acer Aspire ES1-571
• Acer Aspire ES1-731
• Acer Aspire ES1-731G
• Acer Aspire ES1-732
• Acer Aspire MM15 MM1-571
• Acer Aspire TC-390
• Acer Chromebook 11 (CB3-111)
• Acer Extensa (EX215-21)
• Acer Extensa 15 (EX215-21G)
• Acer Extensa 15 (EX215-22)
• Acer Extensa 15 (EX215-31)
• Acer Extensa 15 (EX215-51K)
• Acer Extensa 215 (EX215-51)
• Acer Extensa 215 (EX215-51G)
• Acer Extensa 2508
• Acer Extensa 2519
• Acer TravelMate B1 (B115-M)
• Acer TravelMate B1 (TMB116-M)
• Acer TravelMate B1 (TMB116-MP)
• Acer TravelMate B1 (TMB117-M)
• Packard Bell EasyNote LG81AP
• Packard Bell EasyNote LG81BA
• Packard Bell EasyNote TE70BH
• Packard Bell EasyNote TG71BM
• Packard Bell EasyNote TG81BA
• Packard Bell EasyNote TG83BA

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, ChromeOS, or BIOS shows a battery health warning.

Why Buy This AC14B18J Battery?

• Wide Acer model coverage: suitable for selected Aspire 1, Aspire 3, Aspire E3, Aspire ES1, Chromebook 11, Extensa, and TravelMate B1 models listed above.
• Packard Bell compatibility: also suitable for selected Packard Bell EasyNote LG81, TE70BH, TG71BM, TG81BA, and TG83BA models.
• 36Wh capacity: supports everyday laptop use, schoolwork, browsing, email, documents, and travel.
• 3-cell battery design: made for compatible Acer systems using the listed AC14B18J battery specifications.
• Stable power output: built for compatible laptops that use 11.4V AC14B18J 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 AC14B18J,
KT.0030G.004, KT.00303.015, KT.00303.016,
KT.00303.021, KT.0030G.009, KT.0030G.010,
KT.0030G.011, KT.0030G.017, KT00303015,
KT00303016, KT00303021, KT0030G004,
KT0030G009, KT0030G010, KT0030G011, or
KT0030G017.

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, Chromebook settings, 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 AC14B18J?

Yes. This battery is suitable for Acer AC14B18J and related Acer part numbers including
KT.0030G.004, KT.00303.015, KT.00303.016, KT.00303.021, KT.0030G.009, KT.0030G.010,
KT.0030G.011, KT.0030G.017, KT00303015, KT00303016, KT00303021, KT0030G004,
KT0030G009, KT0030G010, KT0030G011, and KT0030G017.

Does this battery fit Acer Aspire 3 models?

Yes. This battery is listed for many Acer Aspire 3 models, including A311, A314, A315, and A317
series models shown in the compatible model list above.

Can this battery be used for Acer Aspire ES1 models?

Yes. This battery is listed for selected Acer Aspire ES1 models, including ES1-111, ES1-131,
ES1-132, ES1-311, ES1-331, ES1-332, ES1-511, ES1-512, ES1-521, ES1-522, ES1-523,
ES1-524, ES1-531, ES1-532G, ES1-533, ES1-571, ES1-731, ES1-731G, and ES1-732.

Does this battery fit Acer Extensa models?

Yes. This battery is suitable for selected Acer Extensa models, including EX215-21, EX215-21G,
EX215-22, EX215-31, EX215-51, EX215-51G, EX215-51K, Extensa 2508, and Extensa 2519.

Does this battery support Acer TravelMate B1 models?

Yes. This battery is listed for selected Acer TravelMate B1 models, including B115-M, TMB116-M,
TMB116-MP, and TMB117-M.

Does this battery fit Packard Bell EasyNote models?

Yes. This battery is listed for selected Packard Bell EasyNote LG81AP, LG81BA, TE70BH, TG71BM,
TG81BA, and TG83BA models.

What voltage is this battery?

This battery has an output voltage of 11.4V. Please compare it with the voltage printed on your
current battery before purchase.

What capacity is this battery?

The battery capacity is 3220mAh / 36Wh.

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 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.