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.

IBM ThinkPad X200 X201 42T4534 42T4535 42T4536 42T4537 42T4538 42T4540 42T4541 42T4542 42T4543 42T4647 42T4648 42T4649 42T4650 42T4694 42T4823 Lenovo ThinkPad [10.8V / 48Wh] Laptop Battery Replacement

IBM ThinkPad X200 X201 Battery for 42T4534 42T4535 42T4536 42T4537 42T4538 42T4540 42T4541 42T4542 42T4543 42T4647 42T4648 42T4649 42T4650 42T4694 [10.8V] Compatible Battery

£31.50 GBP inc. VAT

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Product variants

Product Info

Type Laptop Battery
SKU LIB211-db-001
Capacity 4400mAh / 48Wh
Cell Type Conventional Li-ion
Warranty 1 Year
Shipping Free Shipping

Description
Specification

COMPATIBLE LAPTOP MODELS

IBM ThinkPad:

X201 | Elite X200 | Elite X200s | Enhanced X200s | X200 | X200 2023 | X200 2024 | X200 7454 | X200 7455 | X200 7457 | X200 7458 | X200 7465 | X200s | X200s 2046 | X200s 2047 | X200s 7460 | X200s 7462 | X200s 7465 | X200s 7466 | X200s 7469 | X200s 7470 | X200s Series | X201 | X201-3323

Lenovo ThinkPad:

X200si | X200si 7465 | X200si 7466 | X200si Series | X201i | X201i 3249 | X201i 3323 | X201i 3357 | X201i 3626 | X201i 3680 | X201i Series | X201s | X201s 5129 | X201s 5142 | X201s 5385 | X201s 5397 | X201s 5413 | X201s 5442 | X201s 5446 | X201s Series

COMPATIBLE ORIGINAL BATTERY NUMBERS

IBM:

42T4534 | 42T4535 | 42T4536 | 42T4537 | 42T4538 | 42T4540 | 42T4541 | 42T4542 | 42T4543 | 42T4647 | 42T4648 | 42T4649 | 42T4650 | 42T4694 | 42T4696 | 42T4823 | 42T4825 | 42T4834 | 42T4835 | 42T4837 | 43R9253 | 43R9254 | 43R9255

REMARKS
- This battery is NOT compatible with the ThinkPad X200 Tablet version. 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.
- Please confirm your laptop model and battery number before placing an order
Product Type: Replacement Laptop Battery

Condition: New

Cell Type: Conventional Li-ion

Capacity: 4400mAh / 48Wh

Device Voltage: 10.8V

Product Type:	Replacement Laptop Battery
Condition:	New
Cell Type:	Conventional Li-ion
Capacity:	4400mAh / 48Wh
Device Voltage:	10.8V

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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