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.

Lenovo IdeaPad 130-14AST 81H4 130-14IKB 130-15IKB 130-15AST Series Laptop Battery L16M2PB1 L16C2PB2 L16M2PB2 L16L2PB2 L16C2PB1 L16L2PB1 L16L2PB1 L17L2PF1 [7.6V] Compatible Battery

Lenovo IdeaPad 130-14AST 81H4 130-14IKB 130-15IKB 130-15AST Series Laptop Battery L16M2PB1 L16C2PB2 L16M2PB2 L16L2PB2 L16C2PB1 L16L2PB1 L16L2PB1 L17L2PF1 [7.6V] Compatible Battery

£34.00 GBP inc. VAT

~~£55.00 GBP~~ Sale £34.00 GBP inc. VAT

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Product variants

Product Info

Type Laptop Battery
SKU LLN312-db-006
Capacity 4100mAh / 31Wh
Cell Type Conventional Li-polymer
Warranty 1 Year
Shipping Free Shipping

Description
Specification

COMPATIBLE LAPTOP MODELS

Lenovo IdeaPad 320 14" Series:

IdeaPad 320-14IAP series

IdeaPad 320-14AST series

IdeaPad 320-14ISK 80XG series

IdeaPad 320-14IKB series

Lenovo IdeaPad 320 15“ Series:

IdeaPad 320-15ABR series

IdeaPad 320-15AST series

IdeaPad 320-15IAP series

IdeaPad 320-15IKB series

IdeaPad 320-15ISK series

Lenovo IdeaPad 320 17“ Series:

IdeaPad 320-17ABR 80YN series

IdeaPad 320-17AST series

IdeaPad 320-17IKB 80XM series

IdeaPad 320-17ISK 80XJ series

Lenovo IdeaPad 330 14“ Series:

IdeaPad 330-14AST series

IdeaPad 330-14IGM series

IdeaPad 330-14IKB series

Lenovo IdeaPad 330 15“ Series:

IdeaPad 330-15AST series

IdeaPad 330-15IGM series

IdeaPad 330-15IKB series

Lenovo IdeaPad 330 17“ Series:

IdeaPad 330-17AST series

IdeaPad 330-17IKB 81DK series

Lenovo IdeaPad 130 14“ Series:

IdeaPad 130-14AST 81H4 series

IdeaPad 130-14IKB series

Lenovo IdeaPad 130 15“ Series:

IdeaPad 130-15IKB series

IdeaPad 130-15AST series

Lenovo IdeaPad 520 15“ Series:

IdeaPad 520-15IKB 80YL series

IdeaPad 520-15IKB 81BF series

Lenovo IdeaPad S145 14” Series:

IdeaPad S145-14AST series

IdeaPad S145-14API series

IdeaPad S145-14IGM series

IdeaPad S145-14IKB series

IdeaPad S145-14IIL series

IdeaPad S145-14IWL series

Lenovo IdeaPad S145 15” Series:

IdeaPad S145-15AST series

IdeaPad S145-15API series

IdeaPad S145-15IGM series

IdeaPad S145-15IKB series

IdeaPad S145-15IIL series

IdeaPad S145-15IWL series

Lenovo IdeaPad V14 14" Series:

IdeaPad V14-IWL 81YB series

Lenovo IdeaPad V15 15.6" Series:

IdeaPad V15-ADA 82C7 series

IdeaPad V15-IGL 82C3 series

IdeaPad V15-IIL 82C5 series

IdeaPad V15-IKB 81YD series

IdeaPad V15-IWL 81YE series

Lenovo IdeaPad V145-15AST 81MT Series

Lenovo IdeaPad V320 17” Series:

IdeaPad V320-17IKB series

IdeaPad V320-17ISK series

Lenovo IdeaPad B320-14IKB Series:

COMPATIBLE ORIGINAL PART NUMBERS

L16M2PB1 | L16L2PB2 | L16M2PB2 | L16C2PB2 | L16C2PB1 | L16L2PB1 | L17L2PF1 | L17M2PB7 | L16M2PB3 | L16S2PB1 | L16S2PB2

REMARKS
- Please confirm your laptop model and battery number before placing an order
Product Type: Replacement Laptop Battery

Condition: New

Cell Type: Conventional Li-polymer

Capacity: 4100mAh / 31Wh

Device Voltage: 7.6V

Product Type:	Replacement Laptop Battery
Condition:	New
Cell Type:	Conventional Li-polymer
Capacity:	4100mAh / 31Wh
Device Voltage:	7.6V

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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