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 PA3634U-1BRS PA3634U-1BAS PA3635U-1BRM Satellite C655 Satellite A665 Satellite P775 Satellite P750 Satellite A665 Satellite U505 Satellite C655D C660D [10.8V / 71Wh] Laptop Battery Replacement

PABAS228 Battery for Toshiba Satellite A655 A660 A665 C645D C650 C655 C660 L310 L320 L510 M300 M320 M500 M640 P740 P750 P770 Equium U400 Portege M800 Dynabook CX EX MA Series Laptop PA3634U-1BRS PA3634U-1BAS [10.8V] Compatible Battery

£36.50 GBP inc. VAT

Minimum Qty	Discount
Buy 5 +	Price with 10% off: £32.85
Buy 10 +	Price with 20% off: £29.20

Discount will be applied at Checkout page

Capacity 6600mAh / 71Wh / 10.8V 4400 mAh / 48Wh / 10.8V

Product variants

Product Info

Type Laptop Battery
SKU LTS209XF-db-001
Capacity 6600 mAh / 71Wh
Cell Type Conventional Li-ion
Warranty 1 Year
Shipping Free Shipping

Description
Specification

COMPATIBLE LAPTOP MODELS

Toshiba Dynabook CX/45 Series

Toshiba Dynabook CX/47 Series

Toshiba Dynabook CX/48 Series

Toshiba Dynabook EX/46 Series

Toshiba Dynabook EX/48 Series

Toshiba Dynabook EX/56 Series

Toshiba Dynabook EX/66 Series

Toshiba Dynabook MX/33 Series

Toshiba Dynabook MX/34 Series

Toshiba Dynabook MX/43 Series

Toshiba Dynabook T350 Series:

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

Toshiba Dynabook Qosmio T550 Series:

T550/T4BB | T550/T4BW | T560/T4AB | T560/T4AW

Toshiba Dynabook SS M50 Series

Toshiba Dynabook SS M51 Series

Toshiba Dynabook SS M52 Series

Toshiba Dynabook SS M60 Series

Toshiba Equium U400 Series

Toshiba Portege M800 Series:

M801 Series | M802 Series | M803 Series | M805 Series | M806 Series | M807 Series | M808 Series

Toshiba Portege M810 Series:

M819 Series

Toshiba Portege M820 Series:

M821 Series | M822 Series | M823 Series | M825 Series

Toshiba Portege M830 Series

Toshiba Satellite A655 Series

Toshiba Satellite A660 Series

Toshiba Satellite A660D Series

Toshiba Satellite A665 Series

Toshiba Satellite A665D Series

Toshiba Satellite C645D Series

Toshiba Satellite C650 Series

Toshiba Satellite C650D Series

Toshiba Satellite C655 Series

Toshiba Satellite C655D Series

Toshiba Satellite C660 Series

Toshiba Satellite C660D Series

Toshiba Satellite L310 Series

L311 | L312 | L315 | L317

Toshiba Satellite L320 Series

L322 | L323

Toshiba Satellite L510 Series

Toshiba Satellite L515 Series

Toshiba Satellite L515D Series

Toshiba Satellite L537 Series

Toshiba Satellite M300 Series

M301 | M302 | M305 | M305D | M306 | M307 | M308

Toshiba Satellite M310 Series

M311 | M319

Toshiba Satellite M320 Series

M321 | M323 | M325 | M326 | M327 | M328

Toshiba Satellite M330 Series

M331 | M332 | M333 | M336 | M338 | M339

Toshiba Satellite M500 Series

Toshiba Satellite M505 Series

Toshiba Satellite M505D Series

Toshiba Satellite M511 Series

Toshiba Satellite M512 Series

Toshiba Satellite M640 Series

Toshiba Satellite M645 Series

Toshiba Satellite P740 Series

Toshiba Satellite P745 Series

Toshiba Satellite P745D Series

Toshiba Satellite P750 Series

Toshiba Satellite P755 Series

Toshiba Satellite P755D Series

Toshiba Satellite P770 Series

Toshiba Satellite P770D Series

Toshiba Satellite P775 Series

Toshiba Satellite P775D Series

Toshiba Satellite U400 Series

Toshiba Satellite U400D Series

Toshiba Satellite U405 Series

Toshiba Satellite U405D Series

Toshiba Satellite U500 Series

Toshiba Satellite U505 Series

Toshiba Satellite Pro C650 Series

Toshiba Satellite Pro C650D Series

Toshiba Satellite Pro C660 Series

Toshiba Satellite Pro C660D Series

Toshiba Satellite Pro M300 Series

Toshiba Satellite Pro PS300C Series

Toshiba Satellite Pro U400 Series

Toshiba Satellite Pro U500 Series

COMPATIBLE ORIGINAL PART NUMBERS

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

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: 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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