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.

Toshiba Satellite C655 C650 C650D C645D C660 Satellite Pro C650 C660 M300 U400 U500 Series Laptop Battery PA3634U-1BRS PA3634U-1BAS PABAS228 PA3635U-1BRM PA3635U-1BAM PA3636U-1BRL PABAS230 PABAS229 PABAS227 [10.8V] Compatible Battery

Toshiba Satellite C655 C650 C650D C645D C660 Satellite Pro C650 C660 M300 U400 U500 Laptop Battery PA3634U-1BRS PA3634U-1BAS PABAS228 PA3635U-1BRM PA3635U-1BAM PA3636U-1BRL PABAS230 PABAS229 PABAS227 [10.8V] Compatible Battery

£29.00 GBP inc. VAT

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Capacity 4400 mAh / 48Wh / 10.8V

Product variants

Product Info

Type Laptop Battery
SKU LTS209-db-003
Capacity 6600 mAh / 71Wh
Cell Type Conventional Li-ion
Warranty 1 Year
Shipping Free Shipping

Description
Specification

COMPATIBLE LAPTOP MODELS

Toshiba Dynabook CX Series:

45 | 45F | 45G | 45H | 45J | 45KWH | 47F | 47G | 47H | 47J | 47KWH | 47LWH | 48F | 48G | 48H

Toshiba Dynabook EX Series:

46MBL | 46MWH | 48MWHMA | 56MBL | 56MRD | 56MWH | 66MBL | 66MRD | 66MWH

Toshiba Dynabook MX Series:

33KBL | 33KRD | 33KWH | 34KBL | 34KWH | 43KWH

Acer Aspire One Pro 531h Series:

531h-1194 | 531h-1766 | 531h-1791 | 531h-1Bk | 531f-2G64Bk | 531h-1G16Bk | 531h-1G25Bk | 531h-2G25Bk | 531h-HD11 | 531h-HD11DOM | 531h-SS11 | 531h-SS11DOM

Toshiba Dynabook SS M50 / M51 / M52 / M60 Series

M50 200C | M50 226E | M51 216C | M51 240E | M52 220C | M52 253E | M60 220C | M60 253E

Toshiba Dynabook Qosmio T550 / T560 Series:

T550 Series: T4BB | T4BW | T560 Series: T4AB | T4AW

Toshiba Dynabook T350 / T351 Series:

M50 200C | M50 226E | M51 216C | M51 240E | M52 220C | M52 253E | M60 220C | M60 253E

Toshiba Dynabook T350 / T351 Series:

T350 Series: 34BB | 34BR | 34BW | 46BB | 46BR | 46BW | 56BB | 56BR | 56BW | T351 Series: 34CB | 34CR | 34CW | 46CB

Toshiba Equium U400 Series:

124 | 145 | 146

Toshiba Portege M8xx Series:

M800 Series | M801 Series | M802 Series | M803 Series | M805 Series | M806 Series | M807 Series | M808 Series | M810 Series | M819 Series | M820 Series | M821 Series | M822 Series | M823 Series | M825 Series | M830 Series

Toshiba Satellite M3xx Series:

M300 Series | M301 Series | M302 Series | M305 Series | M306 Series | M307 Series | M308 Series | M310 Series | M311 Series | M319 Series | M320 Series | M321 Series | M323 Series | M325 Series | M326 Series | M327 Series | M328 Series | M330 Series | M331 Series | M332 Series | M333 Series | M336 Series | M338 Series | M339 Series

Toshiba Satellite Pro PS300C Series:

03EKK | 03EKM | 03ZET | 03ZEV | 04KET | 04KEV

Toshiba Satellite U400 Series / Satellite Pro U400 Series

Toshiba Satellite U405 / U405D Series

This battery is NOT compatible with the following Satellite models:

C670D Series | L650 Series | L600 Series and up | A665-S6070 Series | A660-BT2G22 Series | C655D Series | C650 Series | U505 Series | P750 series | P775-S series

COMPATIBLE ORIGINAL BATTERY NUMBERS

Toshiba:

PA3634U-1BAS | PA3634U-1BRS | PA3635U-1BAM | PA3635U-1BRM | PA3636U-1BAL | PA3636U-1BRL | PA3638U-1BAP | PABAS116 | PABAS117 | PABAS118 | PABAS178 | PABAS227 | PABAS228 | PABAS229 | PABAS230 | TS-M305
Product Type: Replacement Laptop Battery

Condition: New

Cell Type: Conventional Li-ion

Capacity: 6600 mAh / 71Wh

Device Voltage: 10.8V

Product Type:	Replacement Laptop Battery
Condition:	New
Cell Type:	Conventional Li-ion
Capacity:	6600 mAh / 71Wh
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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