What quick settings can extend laptop battery life?

Enable Battery Saver/Power Saver, reduce screen brightness, close unused apps/tabs, turn off Wi-Fi/Bluetooth when not needed, and avoid heat buildup by keeping vents clear.

Will this battery work with my Lenovo 45N1109?

If your laptop is a Lenovo 45N1109, this battery is intended to be compatible. Please also compare your original battery’s part number and voltage with the product details on this page to confirm before ordering.

Is this battery compatible with the 45N1109?

Yes. This battery is designed for the Lenovo 45N1109 and other compatible laptop models listed on the product page. Confirm your exact model before purchase.

What does 2060mAh / 24Wh mean for battery life?

The capacity (2060mAh / 24Wh) indicates how much energy the battery can store. Higher capacity typically means longer runtime, but actual battery life depends on your laptop settings and usage.

What kind of cells are inside this laptop battery?

This battery uses Conventional Li-polymer cells, commonly used in laptop batteries for stable power delivery and reliability.

Is this an original Lenovo battery?

This is a high-quality replacement battery built to meet the required specifications for Lenovo laptops such as the 45N1109.

Lenovo ThinkPad X270 20HM 20K5 20K6 Series Laptop Battery 45N1773 45N1109 45N1108 45N1111 45N1110 45N1112 45N1113 [11.1V/11.4V] Compatible Battery

45N1109 Battery for Lenovo ThinkPad T440 T440s T450 T450s T460 Series Lenovo ThinkPad X230s X240 X240s X250 X250s X260 X270 Series Laptop 45N1773 45N1108 45N1111 45N1110 45N1112 45N1113 [11.1V/11.4V] Compatible Battery

$69.00 CAD

~~$89.00 CAD~~ Vente $69.00 CAD

Minimum Qty	Discount
Buy 5 +	Price with 10% off: $62.10
Buy 10 +	Price with 20% off: $55.20

Discount will be applied at Checkout page

Variantes de produits

Détails du produit

Type Laptop Battery
Unité de gestion de stock LLN265-db-002
Type de cellule Conventional Li-polymer

COMPATIBLE LAPTOP MODELS

Lenovo ThinkPad T440 Series:

Type : 20B6 20B6002AUS | 20B6002BUS | 20B6002CUS | 20B6002DUS | 20B60057US | 20B60058US | 20B60059US | 20B6005AUS | 20B6005BUS | 20B6005CUS | 20B6005DUS | 20B6005EUS | 20B6005FUS | 20B6005GUS | 20B6005HUS | 20B6005JUS | 20B6005KUS | 20B6005LUS | 20B6005MUS | 20B6005NUS | 20B6005PUS | 20B6005RUS | 20B6005W | 20B6006AUS | 20B6006BUS | 20B6006CUS | 20B6006DUS | 20B6006EUS | 20B60076Q | 20B60076US | 20B60077US | 20B60078US | 20B60079US | 20B6007AUS | 20B6007BUS | 20B6007C | 20B6007D | 20B6007E | 20B6007F | 20B6007G | 20B6007H | 20B6007J | 20B6007Q | 20B6007R | 20B6007S | 20B6007T | 20B6007U | 20B6007V | 20B6007W | 20B6007X | 20B6007Y | 20B60081 | 20B60082 | 20B60083 | 20B6008CUS | 20B6008DUS | 20B6008EUS | 20B6008FUS | 20B6008GUS | 20B6008HUS | 20B6008JUS | 20B6008KUS | 20B6008L | 20B6008M | 20B6008N | 20B6008P | 20B6008Q | 20B6008R | 20B6009E | 20B6009F | 20B6009G | 20B6009H | 20B6009J | 20B6009K | 20B6009L | 20B6009MUS | 20B6009NUS | 20B6009PUS | 20B6009S | 20B6009TUS and more

Type : 20B7 20B7003SUS | 20B7003TUS | 20B7003UUS | 20B7003VUS | 20B7003WUS | 20B70040 | 20B70041 | 20B7005K | 20B7005KUS | 20B7005L | 20B7005LUS | 20B7005M | 20B7005MUS | 20B7005N | 20B7005NUS | 20B7005P | 20B7005W | 20B70061 | 20B70061US | 20B70062 | 20B70062US | 20B70063 | 20B70063US | 20B70064 | 20B70064US | 20B70065 | 20B70065US | 20B70066 | 20B70066US | 20B70067 | 20B70067US | 20B70068 | 20B70068US | 20B70069 | 20B70069US | 20B7006A | 20B7006AUS | 20B7006B | 20B7008S | 20B7008T | 20B7008U | 20B7008UUS | 20B7008V | 20B7008VUS | 20B7008W | 20B7008WUS | 20B7008X | 20B7008XUS | 20B7008Y | 20B7008YUS and more

Lenovo ThinkPad T440s Series

Lenovo ThinkPad T450 Series

Lenovo ThinkPad T450s Series

Lenovo ThinkPad T460 Series

Lenovo ThinkPad X230s Series

Lenovo ThinkPad X240 Series

Type : 20AK

Lenovo ThinkPad X240s Series

Lenovo ThinkPad X250 Series

Lenovo ThinkPad X250s Series

Lenovo ThinkPad X260 Series

Lenovo ThinkPad X270 Series:

Type : 20HM 20HM0048 | 20HM0049 | 20HM004A | 20HN0012 | 20HN0013 | 20HN0014 | 20HN0015 | 20HN0016 | 20HN001D | 20HN001E | 20HN001FUS | 20HN001GUS | 20HN001HUS | 20HN001JUS | 20HN001KUS | 20HN001LUS | 20HN001MUS | 20HN001NUS | 20HN001PUS | 20HN001QUS | 20HN001RUS | 20HN001S | 20HN001T | 20HN001U | 20HN001W | 20HN001X | 20HN002Q | 20HN002R | 20HN002S | 20HN002T | 20HN002U | 20HN002V | 20HN003V | 20HN003W | 20HN003X | 20HN004UUS | 20HN004VUS | 20HN004W | 20HN004X | 20HN0055 | 20HN0056 | 20HN0057 | 20HN005N | 20HN005P | 20HN005Q | 20HN005R | 20HN005S | 20HN005W | 20HN0064 | 20HN0065 | 20HN0066 | 20HN0067 | 20HN0068 | 20HN0069 | 20HN006AUS | 20HN006BUS | 20HN006CUS | 20HN006DUS | 20HN006EUS | 20HN006FUS | 20HN006GUS | 20HN006HUS | 20HN006JUS | 20HN006KUS | 20HN006VUS and more

Type : 20K5 20K50011 | 20K50012 | 20K50013 | 20K50014 and more

COMPATIBLE ORIGINAL PART NUMBERS

45N1773 | 45N1109 | 45N1108 | 45N1111 | 45N1110 | 45N1112 | 45N1113 | L16M3P71 | 01AV459 | SB10K97602

REMARKS

Please confirm your laptop model and battery number before placing an order

Compatible Brand: Lenovo

🔋 See More Lenovo Compatible Laptop Batteries ⚡ See More Lenovo Compatible Laptop Adapters

Laptop Battery FAQs How To Find The Correct Battery?

How do I know if a laptop battery will fit my device?

The most reliable method is matching the part number printed on your original battery. Also confirm the voltage and compare the battery shape and connector position with the product photos and specifications.

Where can I find the battery part number?

Shut down the laptop, unplug the power adapter, remove the battery if it is removable, and read the label printed directly on the battery. This part number is the best way to confirm compatibility.

Are different battery voltages interchangeable?

No. You must match the voltage shown on your original battery. Note that 10.8V equals 11.1V, and 14.4V equals 14.8V, but other voltage differences are not compatible.

What should I compare before ordering a replacement battery online?

Compare the original battery’s part number and voltage first, then check the size and shape, connector type and location, latch position, and orientation against the product photos and specifications.

Can I use my laptop model number instead of the battery part number?

You can use the laptop model number to narrow down options, but the battery part number is more precise. A single laptop model can support multiple battery types, so matching the printed battery part number is best.

What quick settings can help extend laptop battery life?

Enable Battery Saver or Power Saver mode, reduce screen brightness, close unused apps and browser tabs, turn off Wi-Fi or Bluetooth when not needed, and avoid heat by keeping the laptop vents clear.

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.