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 TravelMate 5742 5744 8473 5542 4740 4750 5335 5340 5344 5735 5740 5760 6495 6595 7740 8472 Series Laptop Battery 4400mAh / 48Wh [10.8V] Compatible Battery

Acer TravelMate 5742 5744 8473 5542 4740 4750 5335 5340 5344 5735 5740 5760 6495 6595 7740 8472 Series Laptop Battery 6600mAh / 71Wh [10.8V] Compatible Battery

Acer TravelMate 5742 5744 8473 5542 4740 4750 5335 5340 5344 5735 5740 5760 6495 6595 7740 8472 Series Laptop Battery [10.8V] Compatible Battery

Acer TravelMate 5742 5744 8473 5542 4740 4750 5335 5340 5344 5735 5740 5760 6495 6595 7740 8472 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

Discount will be applied at Checkout page

Capacity 4400mAh / 48Wh 6600mAh / 71Wh

Product variants

Product Info

Type Laptop Battery
SKU lac215-db-003
Capacity 4400mAh / 48Wh
Cell Type Conventional Li-ion
Warranty 1 Year
Shipping Free Shipping

Description
Specification

COMPATIBLE LAPTOP MODELS

Acer TravelMate 4370 Series:

TravelMate 4370G

Acer TravelMate 4740 Series:

TravelMate 4740G | TravelMate 4740T | TravelMate 4740TG | TravelMate 4740Z | TravelMate 4740ZG

Acer TravelMate 4750 Series:

TravelMate 4750G | TravelMate 4750TG | TravelMate 4750Z | TravelMate 4750ZG

Acer TravelMate 5335 Series:

TravelMate 5335G | TravelMate 5335Z | TravelMate 5335ZG

Acer TravelMate 5340 Series:

TravelMate 5340G

Acer TravelMate 5344 Series

Acer TravelMate 5542 Series:

TravelMate 5542G | TravelMate 5542Z | TravelMate 5542ZG

Acer TravelMate 5735 Series:

TravelMate 5735G | TravelMate 5735Z | TravelMate 5735ZG

Acer TravelMate 5740 Series:

TravelMate 5740G | TravelMate 5740TG | TravelMate 5740Z | TravelMate 5740ZG

Acer TravelMate 5742 Series:

TravelMate 5742G | TravelMate 5742Z | TravelMate 5742ZG

Acer TravelMate 5744 Series:

TravelMate 5744G | TravelMate 5744Z

Acer TravelMate 5749 Series:

TravelMate 5749G | TravelMate 5749Z

Acer TravelMate 5760 Series:

TravelMate 5760G | TravelMate 5760Z | TravelMate 5760ZG

Acer TravelMate 6495 Series:

TravelMate 6495G | TravelMate 6495T | TravelMate 6495TG

Acer TravelMate 6595 Series:

TravelMate 6595G | TravelMate 6595T | TravelMate 6595TG

Acer TravelMate 7340 Series:

TravelMate 7340G

Acer TravelMate 7740 Series:

TravelMate 7740G | TravelMate 7740Z | TravelMate 7740ZG

Acer TravelMate 7750 Series:

TravelMate 7750G | TravelMate 7750Z | TravelMate 7750ZG

Acer TravelMate 8472 Series:

TravelMate 8472G | TravelMate 8472T | TravelMate 8472TG | TravelMate 8472Z

Acer TravelMate 8473 Series:

TravelMate 8473G | TravelMate 8473T | TravelMate 8473TG | TravelMate 8473Z

Acer TravelMate 8572 Series:

TravelMate 8572G | TravelMate 8572T | TravelMate 8572TG | TravelMate 8572Z | TravelMate 8572ZG

Acer TravelMate 8573 Series:

TravelMate 8573G | TravelMate 8573T | TravelMate 8573TG

Acer TravelMate P243 Series:

TravelMate P243-M series | TravelMate P243-MG series

Acer TravelMate P253 Series:

TravelMate P253-E series | TravelMate P253-M series | TravelMate P253-MG series

Acer TravelMate P273 Series:

TravelMate P273-M series | TravelMate P273-MG series

Acer TravelMate P453 Series:

TravelMate P453-M series | TravelMate P453-MG series

Acer TravelMate P643 Series:

TravelMate P643-M series | TravelMate P643-MG series

Acer TravelMate P653 Series:

TravelMate P653-M series | TravelMate P653-MG series | TravelMate P653-V series

Acer TravelMate TimelineX 6495 Series:

TravelMate TimelineX 6495G | TravelMate TimelineX 6495T | TravelMate TimelineX 6495TG

Acer TravelMate TimelineX 6595 Series:

TravelMate TimelineX 6595G | TravelMate TimelineX 6595T | TravelMate TimelineX 6595TG

Acer TravelMate TimelineX 8473 Series:

TravelMate TimelineX 8473G | TravelMate TimelineX 8473T | TravelMate TimelineX 8473TG

Acer TravelMate TimelineX 8572 Series:

TravelMate TimelineX 8572G | TravelMate TimelineX 8572T | TravelMate TimelineX 8572TG

Acer TravelMate TimelineX 8573 Series:

TravelMate TimelineX 8573G | TravelMate TimelineX 8573T | TravelMate TimelineX 8573TG

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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