What quick settings can extend laptop battery life?

Enable Battery Saver/Power Saver, reduce screen brightness, close unused apps/tabs, turn off Wi-Fi/Bluetooth when not needed, and avoid heat buildup by keeping vents clear.

Will this battery work with my Acer AS09D31?

If your laptop is a Acer AS09D31, this battery is intended to be compatible. Please also compare your original battery’s part number and voltage with the product details on this page to confirm before ordering.

Is this battery compatible with the AS09D31?

Yes. This battery is designed for the Acer AS09D31 and other compatible laptop models listed on the product page. Confirm your exact model before purchase.

What does 4400mAh / 49Wh mean for battery life?

The capacity (4400mAh / 49Wh) indicates how much energy the battery can store. Higher capacity typically means longer runtime, but actual battery life depends on your laptop settings and usage.

What kind of cells are inside this laptop battery?

This battery uses Conventional Li-ion cells, commonly used in laptop batteries for stable power delivery and reliability.

Is this an original Acer battery?

This is a high-quality replacement battery built to meet the required specifications for Acer laptops such as the AS09D31.

Acer AS09D7C AS09D78 AS09D7D AS09D70 934T2032F AS09D75 AS09D41 AS09D31 934T2036F Aspire 5810T 4810T 3810T 5810TZ [11.1V] Laptop Battery Replacement

AS09D31 Battery for Acer Aspire 3410 3750 3810 3811T 4410 4810 5410 5534 5538 5810 Timeline Series Travelmate 8331 8371 8431 8471 8531 8571 Timeline Series Laptop AS09D56 AS09D36 AS09D70 AS09D41 AS09D34 AS09D51 [11.1V] Compatible Battery

$49.00 CAD

~~$69.00 CAD~~ Vente $49.00 CAD

Minimum Qty	Discount
Buy 5 +	Price with 10% off: $44.10
Buy 10 +	Price with 20% off: $39.20

Discount will be applied at Checkout page

Variantes de produits

Détails du produit

Type Laptop Battery
Unité de gestion de stock LAC212-db-001
Type de cellule Conventional Li-ion

COMPATIBLE LAPTOP MODELS

Acer Aspire 3410 Series

Acer Aspire 3410G Series

Acer Aspire 3750 Series

Acer Aspire 3750G Series

Acer Aspire 3750TG Series

Acer Aspire 3750Z Series

Acer Aspire 3750ZG Series

Acer Aspire 3810 Series

Acer Aspire 3810 Timeline Series

Acer Aspire 3810T Series

Acer Aspire 3810T Timeline Series

Acer Aspire 3810TG Series

Acer Aspire 3810TZ Series

Acer Aspire 3810TZG Series

Acer Aspire 3811T Series

Acer Aspire 3811TG Series

Acer Aspire 3811TZ Series

Acer Aspire 3811TZG Series

Acer Aspire 4410 Series

Acer Aspire 4810 Series

Acer Aspire 4810 Timeline Series

Acer Aspire 4810T Series

Acer Aspire 4810T Timeline Series

Acer Aspire 4810TG Series

Acer Aspire 4810TZ Series

Acer Aspire 4810TZG Series

Acer Aspire 5410 Series

Acer Aspire 5534 Series

Acer Aspire 5538 Series

Acer Aspire 5538G Series

Acer Aspire 5810 Series

Acer Aspire 5810 Timeline Series

Acer Aspire 5810T Series

Acer Aspire 5810T Timeline Series

Acer Aspire 5810TG Series

Acer Aspire 5810TZ Series

Acer Aspire 5810TZG Series

Acer Travelmate 8331 Series

Acer Travelmate 8371 Series

Acer Travelmate 8371 Timeline Series

Acer Travelmate 8431 Series

Acer Travelmate 8471 Series

Acer Travelmate 8471 Timeline Series

Acer Travelmate 8471G Series

Acer Travelmate 8531 Series

Acer Travelmate 8571 Series

Acer Travelmate 8571 Timeline Series

Acer Travelmate 8571G Series

Gateway EC38 Series

Gateway EC54 Series

EC5409u | EC5412u and more

Gateway EC58 Series

EC5801u | EC5802u | EC5809u | EC5810u | EC5811u and more

COMPATIBLE ORIGINAL PART NUMBERS

AS09D31 | AS09D56 | AS09D36 | AS09D70 | AS09D41 | AS09D34 | AS09D51 | AS09D71 | AS09D73 | AS09D75 | AS09D78 | AS09D7C | AS09D7D | AS09F34 | 934T2013F | 934T2014F | 934T2031F | 934T2032F | 934T2033F | 934T2034F | 934T2036F | 934T2048H | 934T4070H | AK.006BT.027 | AS2009D | AS-2009D | BT.00603.079 | BT.00603.080 | BT.00603.082 | BT.00603.090 | BT.00603.091 | BT.00603.092 | BT.00603.099 | BT.00603.101 | BT.00604.038 | BT.00604.039 | BT.00604.043 | BT.00605.038 | BT.00605.041 | BT.00605.048 | BT.00605.053 | BT.00605.054 | BT.00607.078 | BT.00607.079 | BT.00607.082 | BT.00607.089 | BT.00607.090 | BT.00607.096 | BT.00607.097 | BT.00607.098 | BT.00607.099 | BT.00607.101 | BT.00607.108 | BT.00607.109 | BT.00607.110 | CGR-B/6N7AE | CGR-B/6N7BE | LC.BTP00.052 | LC.BTP00.068 | NCR-B/638 | NCR-B/638AE | NCR-B/638BE

REMARKS

Please confirm your laptop model and battery number before placing an order

Compatible Brand: Acer

🔋 See More Acer Compatible Laptop Batteries ⚡ See More Acer Compatible Laptop Adapters

Laptop Battery FAQs How To Find The Correct Battery?

How do I know if a laptop battery will fit my device?

The most reliable method is matching the part number printed on your original battery. Also confirm the voltage and compare the battery shape and connector position with the product photos and specifications.

Where can I find the battery part number?

Shut down the laptop, unplug the power adapter, remove the battery if it is removable, and read the label printed directly on the battery. This part number is the best way to confirm compatibility.

Are different battery voltages interchangeable?

No. You must match the voltage shown on your original battery. Note that 10.8V equals 11.1V, and 14.4V equals 14.8V, but other voltage differences are not compatible.

What should I compare before ordering a replacement battery online?

Compare the original battery’s part number and voltage first, then check the size and shape, connector type and location, latch position, and orientation against the product photos and specifications.

Can I use my laptop model number instead of the battery part number?

You can use the laptop model number to narrow down options, but the battery part number is more precise. A single laptop model can support multiple battery types, so matching the printed battery part number is best.

What quick settings can help extend laptop battery life?

Enable Battery Saver or Power Saver mode, reduce screen brightness, close unused apps and browser tabs, turn off Wi-Fi or Bluetooth when not needed, and avoid heat by keeping the laptop vents clear.

Choosing the correct replacement battery or adapter is critical for safety, performance, and compatibility. DrBattery.com carries over 120,000 compatible models and part numbers for major laptop brands. Follow these steps before placing your order:

1. Check Your Device Information

Look at your device’s owner’s manual or label on the bottom of your laptop. Both should show the brand and exact model number.
If you are buying an adapter, confirm the model number, input voltage, and current listed on your device label.

2. Verify the Original Battery Part Number

Always shut down your laptop before removing the original battery. On the battery label, you will find a part number. This part number is the most reliable way to ensure compatibility.

3. Recognize Common Part Number Formats

Major manufacturers use standard codes. Here are some examples:

HP / Compaq:
123456-001

Sony:
PCGA-BP12, VGP-BP1

Dell:
312-1234, 1234P

IBM / Lenovo:
02K1234, 08K1234

Toshiba:
PA1234U-1BRS

4. Compare the Physical Details

Check the size, connector type, latch position, and orientation of your original battery. Compare these details with the product photos on our website before ordering.

5. Watch Out for Voltage Differences

Some models have two different voltage options — for example, 11.1V vs. 14.8V. They are NOT interchangeable. Always confirm the voltage printed on your original battery.