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.

Battery for IBM ThinkPad T40 ThinkPad T41 ThinkPad T42 ThinkPad T43 ThinkPad T42 2379 ThinkPad R50e ThinkPad R50 Series ThinkPad R52 92P1087 08k8193

IBM ThinkPad T40 ThinkPad T41 ThinkPad T42 ThinkPad T43 ThinkPad T42 2379 ThinkPad R50e ThinkPad R50 Series ThinkPad R52 92P1087 08k8193 [10.8V / 48Wh] Laptop Battery Replacement

08K8193 Battery for IBM ThinkPad T40 T40p T41 T41p T42 T42p T43 T43p Series ThinkPad R50 R50e R50p R51 R51e R51p R52 R52p Series Laptop 92P1074 92P1075 92P1058 92P1068 08K8214 92P1087 08K8197 08K8192 [10.8V] Compatible Battery

£30.00 GBP inc. VAT

~~£39.00 GBP~~ Sale £30.00 GBP inc. VAT

Minimum Qty	Discount
Buy 5 +	Price with 10% off: £27.00
Buy 10 +	Price with 20% off: £24.00

Discount will be applied at Checkout page

Product variants

Product Info

Type Laptop Battery
SKU LIB042-db-001
Capacity 4400mAh / 48Wh
Cell Type Conventional Li-ion
Warranty 1 Year
Shipping Free Shipping

Description
Specification

COMPATIBLE LAPTOP MODELS

IBM ThinkPad R50 Series

IBM ThinkPad R50e Series

IBM ThinkPad R50p Series

IBM ThinkPad R51 Series

IBM ThinkPad R51e Series

IBM ThinkPad R51p Series

IBM ThinkPad R52 Series

IBM ThinkPad R52p Series

IBM ThinkPad T40 Series

IBM ThinkPad T40p Series

IBM ThinkPad T41 Series

IBM ThinkPad T41p Series

IBM ThinkPad T42 Series

IBM ThinkPad T42p Series

IBM ThinkPad T43 Series

IBM ThinkPad T43p Series

COMPATIBLE ORIGINAL PART NUMBERS

08K8193 | 92P1074 | 92P1075 | 92P1058 | 92P1068 | 08K8192 | 08K8194 | 08K8195 | 08K8196 | 08K8197 | 08K8199 | 08K8201 | 08K8214 | 92P1010 | 92P1011 | 92P1013 | 92P1060 | 92P1061 | 92P1062 | 92P1064 | 92P1066 | 92P1067 | 92P1069 | 92P1070 | 92P1071 | 92P1076 | 92P1086 | 92P1087 | 92P1088 | 92P1089 | 92P1090 | 92P1091 | 92P1101 | 92P1102 | 92P5002 | 93P5002 | 93P5003 | ASM 08K8192 | ASM 08K8193 | ASM 08K8196 | ASM 08K8197 | ASM 08K8198 | ASM 08K8199 | ASM 92P1064 | ASM 92P1076 | BLP1369 | BLP1390 | FRU 08K8192 | FRU 08K8193 | FRU 08K8195 | FRU 08K8198 | FRU 08K8201 | FRU 08K8214 | FRU 92P1069 | FRU 92P1073 | FRU 92P1077 | IB-T40HL | IB-T40L | LBIT40

REMARKS
- 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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