39Wh Acer AC15A3J Battery

39Wh AC15A3J Battery for Acer Chromebook 11, Chromebook 311, Chromebook R11, Chromebook Spin 11 and Chromebook Spin 511 Series

This 39Wh Acer AC15A3J battery is designed for compatible Acer Chromebook models,
including selected Chromebook 11, Chromebook 311, Chromebook R11, Chromebook Spin 11, and
Chromebook Spin 511 series devices. It is a suitable choice when your current battery drains quickly,
no longer holds a charge, or your Chromebook needs stable portable power again.

With an 11.55V output voltage, 3315mAh / 39Wh capacity, and
3-cell battery design, this battery supports everyday Chromebook use such as
schoolwork, browsing, email, documents, video playback, online classes, 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 AC15A3J
• Acer KT.00303.017
• Acer KT.00305.004
• Acer KT.00305.009
• Acer KT.0030G.016
• Acer KT00303017
• Acer KT00305009
• Acer KT0030G016

Compatible Laptop Model Series

This Acer AC15A3J battery is designed for the following Acer Chromebook models. Please check both
your Chromebook model and battery part number before placing your order.

• Acer Chromebook 11 (C735)
• Acer Chromebook 11 (C735-C7Y9)
• Acer Chromebook 11 (CB311-8H)
• Acer Chromebook 11 (CB311-8H-C3BY)
• Acer Chromebook 11 (CB311-8H-C5DV)
• Acer Chromebook 11 (CB311-8H-C70N)
• Acer Chromebook 11 (CB311-8H-C7MJ)
• Acer Chromebook 11 (CB311-8H-C9S9)
• Acer Chromebook 11 (CB3-131)
• Acer Chromebook 11 (CB3-131-C1CA)
• Acer Chromebook 11 (CB3-131-C3KD)
• Acer Chromebook 11 (CB3-131-C3SZ)
• Acer Chromebook 11 (CB3-131-C4RW)
• Acer Chromebook 11 (CB3-132)
• Acer Chromebook 11 (CB3-132-C0EH)
• Acer Chromebook 11 (CB3-132-C4VV)
• Acer Chromebook 11 (CB3-132-C5P7)
• Acer Chromebook 311 (CB311-8H-C12U)
• Acer Chromebook 311 (CB311-8HT)
• Acer Chromebook 311 (CB311-8HT-C23D)
• Acer Chromebook 311 (CB311-9H)
• Acer Chromebook 311 (CB311-9H-C4PP)
• Acer Chromebook 311 (CB311-9HT)
• Acer Chromebook 311 (CB311-9HT-C31C)
• Acer Chromebook 311 (CB311-9HT-C783)
• Acer Chromebook CP311-1H
• Acer Chromebook CP311-1H-C1FS
• Acer Chromebook R 11 (C738T)
• Acer Chromebook R 11 (C738T-C10X)
• Acer Chromebook R 11 (C738T-C44Z)
• Acer Chromebook R 11 (C738T-C5R6)
• Acer Chromebook R11 (CB5-132T)
• Acer Chromebook R11 (CB5-132T-C1LK)
• Acer Chromebook R11 (CB5-132T-C32M)
• Acer Chromebook R11 (CB5-132T-C48K)
• Acer Chromebook R11 (CB5-132T-C4LB)
• Acer Chromebook R11 (CB5-132T-C6HG)
• Acer Chromebook R11 (CB5-132T-C732)
• Acer Chromebook R11 (CB5-132T-C8KL)
• Acer Chromebook Spin 11 (CP311-1H-C5PN)
• Acer Chromebook Spin 11 (CP311-1HN)
• Acer Chromebook Spin 11 (CP311-1HN) 32GB
• Acer Chromebook Spin 11 (CP311-1HN) 64GB
• Acer Chromebook Spin 11 (CP311-1HN-C2DV)
• Acer Chromebook Spin 11 (CP311-1HN-C3YV)
• Acer Chromebook Spin 11 (CP311-1HN-C4AW)
• Acer Chromebook Spin 11 (CP311-1HN-C5MU)
• Acer Chromebook Spin 11 (CP311-1HN-C5SC)
• Acer Chromebook Spin 11 (CP311-2H)
• Acer Chromebook Spin 11 (CP311-2H-C4WK)
• Acer Chromebook Spin 11 (CP311-2H-C6LA)
• Acer Chromebook Spin 11 (CP311-2H-C7BG)
• Acer Chromebook Spin 11 (CP311-2H-C8M1)
• Acer Chromebook Spin 11 (CP311-2HN)
• Acer Chromebook Spin 11 (CP311-2HN-C19V)
• Acer Chromebook Spin 11 (CP311-2HN-C3FK)
• Acer Chromebook Spin 11 (CP311-2HN-C3Z2)
• Acer Chromebook Spin 11 (CP311-2HN-C8DW)
• Acer Chromebook Spin 11 (CP311-2HN-C9S9)
• Acer Chromebook Spin 511 (R752T)
• Acer Chromebook Spin 511 (R752T-C1MT)
• Acer Chromebook Spin 511 (R752T-C26N)
• Acer Chromebook Spin 511 (R752TN)
• Acer Chromebook Spin 511 (R752TN-C07T)
• Acer Chromebook Spin 511 (R752TN-C16X)
• Acer Chromebook Spin 511 (R752TN-C2J5)
• Acer Chromebook Spin 511 (R752TN-C5P0)

When Should You Replace Your Acer Chromebook Battery?

If your Acer Chromebook 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 Chromebook shuts down unexpectedly during use.
• The battery percentage drops suddenly or behaves abnormally.
• The Chromebook only works when connected to the charger.
• The battery does not charge to full capacity.
• ChromeOS shows a battery health warning or charging issue.

Why Buy This AC15A3J Battery?

• Designed for Acer Chromebook models: suitable for selected Chromebook 11, Chromebook 311, Chromebook R11, Chromebook Spin 11, and Chromebook Spin 511 devices listed above.
• 39Wh capacity: supports everyday Chromebook use, schoolwork, browsing, email, documents, and travel.
• 3-cell battery design: made for compatible Acer systems using the listed AC15A3J battery specifications.
• Stable power output: built for compatible Chromebooks that use 11.55V AC15A3J 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 Chromebook 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 AC15A3J,
KT.00303.017, KT.00305.004, KT.00305.009,
KT.0030G.016, KT00303017, KT00305009,
or KT0030G016.

You can usually find the battery part number printed on the battery label. You can also check your
Chromebook model number on the bottom cover, ChromeOS settings, or original device label.

Installation Notes

• Turn off the Chromebook 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 back cover.
• After installation, charge the battery fully before regular use.
• If you are not familiar with Chromebook repair, professional installation is recommended.

Frequently Asked Questions

Is this battery suitable for Acer AC15A3J?

Yes. This battery is suitable for Acer AC15A3J and related part numbers including KT.00303.017,
KT.00305.004, KT.00305.009, KT.0030G.016, KT00303017, KT00305009, and KT0030G016.

Does this battery fit Acer Chromebook 11 models?

Yes. This battery is listed for selected Acer Chromebook 11 models, including C735, CB311-8H,
CB3-131, CB3-132, and related sub-models listed above.

Can this battery be used for Acer Chromebook 311 models?

Yes. This battery is listed for selected Acer Chromebook 311 models, including CB311-8H,
CB311-8HT, CB311-9H, and CB311-9HT series models.

Does this battery support Acer Chromebook R11?

Yes. This battery is suitable for selected Acer Chromebook R11 models, including C738T and
CB5-132T series devices.

Does this battery fit Acer Chromebook Spin 11 and Spin 511?

Yes. This battery is listed for selected Acer Chromebook Spin 11 CP311 series and Acer Chromebook
Spin 511 R752 series models.

What voltage is this battery?

This battery has an output voltage of 11.55V. Please compare it with the voltage printed on your
current battery before purchase.

What capacity is this battery?

The battery capacity is 3315mAh / 39Wh.

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 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.