40.8Wh Acer AS16A5K Battery

40.8Wh AS16A5K Battery for Acer Aspire E5, ES1, F15, F17, K50 and TravelMate P2 Series

This 40.8Wh Acer AS16A5K battery is designed for compatible Acer Aspire E5,
Aspire ES1, Aspire F15, Aspire F17, Aspire K50, and TravelMate P2 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 14.6V output voltage, 2800mAh / 40.8Wh capacity, and
4-cell battery design, this battery supports everyday laptop use such as work,
school, browsing, email, 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 AS16A5K
• Acer AS16A8K
• Acer KT.00805.002
• Acer 3ICR19/66-2
• Acer AS16B5J
• Acer AS16B8J
• Acer KT.00605.002
• Acer KT.0060G.001

Compatible Laptop Model Series

This Acer AS16A5K 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 E5-475
• Acer Aspire E5-475G
• Acer Aspire E5-475TG
• Acer Aspire E5-476
• Acer Aspire E5-523
• Acer Aspire E5-523G
• Acer Aspire E5-553
• Acer Aspire E5-553G
• Acer Aspire E5-575
• Acer Aspire E5-575G
• Acer Aspire E5-575T
• Acer Aspire E5-575TG
• Acer Aspire E5-576
• Acer Aspire E5-576G
• Acer Aspire E5-774
• Acer Aspire E5-774G
• Acer Aspire E5-774G-54NZ
• Acer Aspire ES1-432
• Acer Aspire F15 (F5-522)
• Acer Aspire F15 (F5-573)
• Acer Aspire F15 (F5-573G)
• Acer Aspire F15 (F5-573T)
• Acer Aspire F17 (F5-771)
• Acer Aspire F17 (F5-771G)
• Acer Aspire K50-20
• Acer Aspire K50-20-575N
• Acer TravelMate P2 (P249-M)
• Acer TravelMate P2 (P259-G2-MG)
• Acer TravelMate P2 (P259-M)
• Acer TravelMate P2 (P259-MG)

When Should You Replace Your Acer Laptop Battery?

If your Acer 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 AS16A5K Battery?

• Wide Acer model coverage: suitable for selected Aspire E5, ES1, F15, F17, K50, and TravelMate P2 models.
• 40.8Wh capacity: supports everyday laptop use, work, study, browsing, and travel.
• 4-cell battery design: made for compatible Acer systems using the listed AS16A5K battery specifications.
• Stable power output: built for compatible Acer laptops that use 14.6V AS16A5K or related battery types.
• 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, or internal layout. Before ordering, please confirm that your current battery part number
matches one of the listed part numbers, such as AS16A5K, AS16A8K,
AS16B5J, AS16B8J, KT.00805.002,
KT.00605.002, or KT.0060G.001.

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 AS16A5K?

Yes. This battery is suitable for Acer AS16A5K and related part numbers including AS16A8K,
AS16B5J, AS16B8J, KT.00805.002, KT.00605.002, and KT.0060G.001.

Does this battery fit Acer Aspire E5 series laptops?

Yes. This battery is listed for many Acer Aspire E5 models, including E5-475, E5-475G,
E5-475TG, E5-476, E5-523, E5-523G, E5-553, E5-553G, E5-575, E5-575G, E5-575T,
E5-575TG, E5-576, E5-576G, E5-774, E5-774G, and E5-774G-54NZ.

Can this battery be used for Acer Aspire F15 and F17 models?

Yes. This battery is listed for selected Acer Aspire F15 models including F5-522, F5-573,
F5-573G, and F5-573T, as well as selected Acer Aspire F17 models including F5-771 and F5-771G.

Does this battery support Acer TravelMate P2 models?

Yes. This battery is listed for selected Acer TravelMate P2 models including P249-M, P259-G2-MG,
P259-M, and P259-MG.

What voltage is this battery?

This battery has an output voltage of 14.6V. Please compare it with the voltage printed on your
current battery before purchase.

What capacity is this battery?

The battery capacity is 2800mAh / 40.8Wh.

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 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.