48Wh Acer AC14B8K Battery

48Wh AC14B8K Battery for Acer Chromebook, Extensa, Nitro, Predator Helios, Spin, Swift and Aspire Series

This 48Wh Acer AC14B8K battery is designed for compatible Acer Chromebook,
Extensa, Nitro 5, Predator Helios 300, Spin, Swift, and selected Aspire 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 15.2V output voltage, 3220mAh / 48Wh capacity, and
4-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 AC14B8K
• Acer KT.00403.023
• Acer KT.00403.024
• Acer KT.00403.026
• Acer KT.00403.027
• Acer KT.00403.036
• Acer KT.00405.005
• Acer KT.0040G.002
• Acer KT.0040G.004
• Acer KT.0040G.005
• Acer KT.0040G.006
• Acer KT.0040G.011
• Acer KT0040G002
• Acer KT0040G011

Compatible Laptop Model Series

This Acer AC14B8K battery is designed for the following Acer laptop and Chromebook model series.
Please check both your laptop model and battery part number before placing your order.

• Acer Chromebook 13 (CB5-311)
• Acer Chromebook 15 (C910)
• Acer Chromebook 15 (CB5-571)
• Acer C810 Chromebook 13
• Acer Extensa 2540
• Acer Extensa 2540-3054
• Acer Extensa 2540-41BM
• Acer Extensa 2540-580K
• Acer Extensa 2540-8854
• Acer Nitro 5 (AN515-41)
• Acer Nitro 5 (AN515-42)
• Acer Nitro 5 (AN515-43)
• Acer Nitro 5 (AN515-44)
• Acer Nitro 5 (AN515-45)
• Acer Nitro 5 (AN515-51)
• Acer Nitro 5 (AN515-52)
• Acer Nitro 5 (AN515-53)
• Acer Nitro 5 (AN515-54)
• Acer Nitro 5 (AN515-55)
• Acer Nitro 5 (AN515-56)
• Acer Predator Helios 300 (G3-571)
• Acer Predator Helios 300 (PH315-51)
• Acer Predator Helios 300 (PH315-52)
• Acer Predator Helios 300 (PH315-53)
• Acer Predator Helios 300 (PH315-54)
• Acer Predator Helios 300 (PH317-52)
• Acer Predator Helios 300 (PH317-53)
• Acer Predator Helios 300 (PH317-54)
• Acer Spin 1 (SP111-33)
• Acer Spin 3 (SP314-21N)
• Acer Spin 3 (SP314-54N)
• Acer Spin 3 (SP314-55N)
• Acer Spin 5 (SP513-52N)
• Acer Spin 5 (SP513-54N)
• Acer Swift 3 (SF313-51)
• Acer Swift 3 (SF314-51)
• Acer Swift 3 (SF314-52)
• Acer Swift 3 (SF314-52G)
• Acer Swift 3 (SF314-53G)
• Acer Swift 3 (SF314-54)
• Acer Swift 3 (SF314-54G)
• Acer Swift 3 (SF314-55)
• Acer Swift 3 (SF314-55G)
• Acer Swift 3 (SF314-56)
• Acer Swift 3 (SF314-56G)
• Acer Swift 3 (SF314-57)
• Acer Swift 3 (SF314-57G)
• Acer Swift 3 (SF314-58)
• Acer Swift 3 (SF314-59)
• Acer Aspire E5-475TG
• Acer Aspire 5 (A515-55T)
• Acer Aspire 5 (A515-55T-53AP)

Note: The compatibility list above is based on the model information provided.
If your exact model is not shown here, please compare the battery part number and voltage on your
current battery before ordering.

When Should You Replace Your Acer Laptop Battery?

If your Acer laptop or Chromebook 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 AC14B8K Battery?

• Wide Acer model coverage: suitable for selected Chromebook, Extensa, Nitro, Predator Helios, Spin, Swift, and Aspire models listed above.
• 48Wh capacity: supports everyday laptop use, work, study, browsing, email, and travel.
• 4-cell battery design: made for compatible Acer systems using the listed AC14B8K battery specifications.
• Stable power output: built for compatible laptops that use 15.2V AC14B8K 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 AC14B8K,
KT.00403.023, KT.00403.024, KT.00403.026,
KT.00403.027, KT.00403.036, KT.00405.005,
KT.0040G.002, KT.0040G.004, KT.0040G.005,
KT.0040G.006, KT.0040G.011, KT0040G002,
or KT0040G011.

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 AC14B8K?

Yes. This battery is suitable for Acer AC14B8K and related Acer part numbers including
KT.00403.023, KT.00403.024, KT.00403.026, KT.00403.027, KT.00403.036, KT.00405.005,
KT.0040G.002, KT.0040G.004, KT.0040G.005, KT.0040G.006, KT.0040G.011, KT0040G002,
and KT0040G011.

Does this battery fit Acer Nitro 5 models?

Yes. This battery is listed for selected Acer Nitro 5 models, including AN515-41, AN515-42,
AN515-43, AN515-44, AN515-45, AN515-51, AN515-52, AN515-53, AN515-54, AN515-55,
and AN515-56.

Can this battery be used for Acer Predator Helios 300?

Yes. This battery is listed for selected Acer Predator Helios 300 models, including G3-571,
PH315-51, PH315-52, PH315-53, PH315-54, PH317-52, PH317-53, and PH317-54.

Does this battery support Acer Swift 3 models?

Yes. This battery is suitable for selected Acer Swift 3 models, including SF313-51, SF314-51,
SF314-52, SF314-52G, SF314-53G, SF314-54, SF314-54G, SF314-55, SF314-55G,
SF314-56, SF314-56G, SF314-57, SF314-57G, SF314-58, and SF314-59.

Does this battery fit Acer Chromebook models?

Yes. This battery is listed for selected Acer Chromebook 13 and Chromebook 15 models, including
CB5-311, C910, CB5-571, and C810 Chromebook 13.

Does this battery fit Acer Spin and Extensa models?

Yes. This battery is listed for selected Acer Spin 1, Spin 3, Spin 5, and Extensa 2540 models.

What voltage is this battery?

This battery has an output voltage of 15.2V. Please compare it with the voltage printed on your
current battery before purchase.

What capacity is this battery?

The battery capacity is 3220mAh / 48Wh.

How many cells does this battery have?

This battery uses a 4-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 laptop or Chromebook 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.