How do I find the correct laptop battery for my device?

Check your laptop’s owner’s manual or the label on the bottom of your device for the brand and exact model number. Then verify the part number printed on your original battery to ensure compatibility.

Where is the battery part number located?

Shut down your laptop, remove the battery, and read the label printed directly on the battery. That part number is the most reliable way to confirm compatibility.

Are different battery voltages interchangeable?

No. A battery rated 11.1V is not compatible with one rated 14.8V. Always match the voltage on your original battery. Note: 10.8V equals 11.1V, and 14.4V equals 14.8V.

What should I compare before ordering a replacement battery?

Compare the size, connector type, latch position, and orientation of your original battery with the product photos and specifications on DrBattery.com.

Can I use device model numbers instead of part numbers?

You can, but battery part numbers are more precise. A single device model can support multiple battery types, so confirming with the battery’s printed part number is best.

Acer Aspire 4551 4741 4250 4339 Series Laptop Battery 4400mAh / 48Wh [10.8V] Compatible Battery

Acer Aspire 4551 4741 4250 4339 Series Laptop Battery [10.8V] Compatible Battery

Acer Aspire 4551 4741 4250 4339 Series Laptop Battery [10.8V] Compatible Battery

£29.50 GBP inc. VAT

~~£59.00 GBP~~ Sale £29.50 GBP inc. VAT

Minimum Qty	Discount
Buy 5 +	Price with 10% off: £26.55
Buy 10 +	Price with 20% off: £23.60

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Capacity 4400mAh / 48Wh 6600mAh / 71Wh

Product variants

Product Info

Type Laptop Battery
SKU lac215-db-007
Capacity 4400mAh / 48Wh
Cell Type Conventional Li-ion
Warranty 1 Year
Shipping Free Shipping

Description
Specification

COMPATIBLE LAPTOP MODELS

Acer Aspire 4250 Series:

Aspire 4250G | Aspire 4250Z

Acer Aspire 4251 Series:

Aspire 4251G | Aspire 4251Z

Acer Aspire 4252 Series:

Aspire 4252G | Aspire 4252Z

Acer Aspire 4253 Series:

Aspire 4253G | Aspire 4253Z

Acer Aspire 4333 Series:

Aspire 4333Z

Acer Aspire 4339 Series:

Aspire 4339Z

Acer Aspire 4349 Series:

Aspire 4349Z

Acer Aspire 4350 Series:

Aspire 4350G

Acer Aspire 4352 Series:

Aspire 4352G

Acer Aspire 4551 Series:

Aspire 4551G | Aspire 4551P

Acer Aspire 4552 Series:

Aspire 4552G | Aspire 4552Z

Acer Aspire 4560 Series:

Aspire 4560G

Acer Aspire 4625 Series:

Aspire 4625G

Acer Aspire 4733 Series:

Aspire 4733G | Aspire 4733Z | Aspire 4733ZG

Acer Aspire 4738 Series:

Aspire 4738G | Aspire 4738Z | Aspire 4738ZG

Acer Aspire 4739 Series:

Aspire 4739G | Aspire 4739Z | Aspire 4739ZG

Acer Aspire 4741 Series:

Aspire 4741G | Aspire 4741Z | Aspire 4741ZG

Acer Aspire 4743 Series:

Aspire 4743G | Aspire 4743Z | Aspire 4743ZG

Acer Aspire 4749 Series:

Aspire 4749Z

Acer Aspire 4750 Series:

Aspire 4750G | Aspire 4750Z | Aspire 4750ZG

Acer Aspire 4752 Series:

Aspire 4752G | Aspire 4752Z | Aspire 4752ZG

Acer Aspire 4755 Series:

Aspire 4755G | Aspire 4755T | Aspire 4755Z | Aspire 4755ZG

Acer Aspire 4771 Series:

Aspire 4771G | Aspire 4771Z

Acer Aspire 4925 Series:

Aspire 4925G

COMPATIBLE ORIGINAL PART NUMBERS

076-7986127 | 31CR19/652 | 31CR19/65-2 | 31CR19/66-2 | 31NR19/65-2 | 3ICR19/65-2 | 3INR19/65-2 | 934T2078F | 934T2079F | AK.006BT.075 | AK.006BT.080 | AS10D | AS10D31 | AS10D3E | AS10D41 | AS10D51 | AS10D56 | AS10D5E | AS10D61 | AS10D71 | AS10D73 | AS10D75 | AS10D7E | AS10D81 | AS10G3E | BT.00603.111 | BT.00607.126 | BT.00607.127 | BT0090301 | LC.BTP00.123 | LC.BTP00.127 | LCBTP00123 | LC-BTP00-123 | LCBTP00127

REMARKS
- Please confirm your laptop model and battery number before placing an order.
- For High Capacity: The battery will protrude out the (bottom/side) of the laptop and will cause your laptop to sit at an angle. You may not be able to connect to a docking station with the extended battery.
Product Type: Replacement Laptop Battery

Condition: New

Cell Type: Conventional Li-ion

Capacity: 4400mAh / 48Wh

Device Voltage: 11.1V

Product Type:	Replacement Laptop Battery
Condition:	New
Cell Type:	Conventional Li-ion
Capacity:	4400mAh / 48Wh
Device Voltage:	11.1V

Laptop Battery FAQs How To Find The Correct Battery?

How can I extend laptop battery life through settings?

Use Battery Saver or Power Saver mode to minimize background activity and reduce screen brightness. Choose energy-efficient power plans instead of “Balanced” or “High Performance”.

Does reducing screen brightness really help my battery last longer?

Yes. The display is one of the largest power drains. Lowering brightness can significantly conserve battery life.

Will closing unused apps and tabs improve battery life?

Yes. Idle apps and browser tabs continue consuming power. Closing them reduces background activity and extends runtime.

Is keeping my laptop cool important for battery longevity?

Absolutely. Heat accelerates battery wear. Use your laptop on hard surfaces, keep vents clean, and consider a cooling pad during heavy use.

What’s the ideal battery charge range for long-term health?

Keep the battery between 20% and 80% whenever possible. Avoid full discharges or keeping it at 100% constantly.

Are regular OS and driver updates important?

Yes. Updates often include power efficiency improvements, helping your system run more smoothly and save battery.

Should I unplug unused peripherals to save power?

Yes. Devices like external drives, USB accessories, and Bluetooth peripherals draw power even when idle. Disconnect them when not needed.

Is shutting down better than sleep for battery conservation?

Yes. Sleep still draws some power. Shutting down completely conserves the most battery during long idle periods.

Can hibernation extend battery life effectively?

Yes. Hibernation saves your session to disk and powers off completely, using no battery while preserving your work.

What quick tips help in a battery pinch?

Turn off Wi-Fi and Bluetooth when not in use, close background apps, use dark mode, and enable power-saving display settings.

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.

A Li-Ion battery labeled 10.8V is the same as one labeled 11.1V.
A Li-Ion battery labeled 14.4V is the same as one labeled 14.8V.

Example Battery Labels

Example laptop bottom label with model number

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