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.

Asus B21N1818-2 C21N1818-2 Battery for Asus VivoBook 14 F412DA F412DK F412FJ F412FA F412FL F412UA A412FA A412DA A412FL A412FJ A412UA X412DA X412FA X412FJ X412FL X412UA X412UB X412UF R424DA Series C21PPJH 0B200-03280500 [7.6V/7.7V] Compatible Battery

B21N1818-2 C21N1818-2 Battery for Asus VivoBook 14 A412 A412D A412F A412U F412 F412D F412F F412U R424D R424F X412 X412D X412F X412J X412U S412D S412U S412F series Asus Y4200 Y5200F Series Laptop 0B200-03280500 C21PPJH [7.6V/7.7V] Compatible Battery

$55.00 CAD

~~$69.00 CAD~~ Vente $55.00 CAD

Minimum Qty	Discount
Buy 5 +	Price with 10% off: $49.50
Buy 10 +	Price with 20% off: $44.00

Discount will be applied at Checkout page

Variantes de produits

Détails du produit

Type Laptop Battery
Unité de gestion de stock LAS375-db-001
Type de cellule Conventional Li-polymer

Description
Specification

COMPATIBLE LAPTOP MODELS

Asus VivoBook 14 A412 Series

Asus VivoBook 14 A412D Series

Asus VivoBook 14 A412DA Series

Asus VivoBook 14 A412DK Series

Asus VivoBook 14 A412F Series

Asus VivoBook 14 A412FA Series

Asus VivoBook 14 A412FJ Series

Asus VivoBook 14 A412FL Series

Asus VivoBook 14 A412U Series

Asus VivoBook 14 A412UA Series

Asus VivoBook 14 F412 Series

Asus VivoBook 14 F412D Series

Asus VivoBook 14 F412DA Series

Asus VivoBook 14 F412DK Series

Asus VivoBook 14 F412F Series

Asus VivoBook 14 F412FA Series

Asus VivoBook 14 F412FJ Series

Asus VivoBook 14 F412FL Series

Asus VivoBook 14 F412U Series

Asus VivoBook 14 F412UA Series

Asus VivoBook 14 R424D Series

Asus VivoBook 14 R424DA Series

Asus VivoBook 14 R424F Series

Asus VivoBook 14 R424FA Series

Asus VivoBook 14 X412 Series

Asus VivoBook 14 X412D Series

Asus VivoBook 14 X412DA Series

Asus VivoBook 14 X412DK Series

Asus VivoBook 14 X412F Series

Asus VivoBook 14 X412FA Series

Asus VivoBook 14 X412FJ Series

Asus VivoBook 14 X412FL Series

Asus VivoBook 14 X412J Series

Asus VivoBook 14 X412JA Series

Asus VivoBook 14 X412U Series

Asus VivoBook 14 X412UA Series

Asus VivoBook 14 X412UB Series

Asus VivoBook 14 X412UF Series

Asus VivoBook 14 S412D Series

Asus VivoBook 14 S412DA Series

Asus VivoBook 14 S412DK Series

Asus VivoBook 14 S412U Series

Asus VivoBook 14 S412UA Series

Asus VivoBook 14 S412F Series

Asus VivoBook 14 S412FA Series

Asus VivoBook 14 S412FJ Series

Asus VivoBook 14 S412FL Series

Asus Y4200 Series

Asus Y5200F Series

COMPATIBLE ORIGINAL PART NUMBERS

B21N1818-2 | C21N1818-2 | 0B200-03280500 | C21PPJH

REMARKS
- This battery is NOT compatible with Asus Part Number C21N1818 and C21N1818-3. Please check for the Part Number and shape of the battery before please the order.
Product Type: Replacement Laptop Battery

Condition: New

Cell Type: Conventional Li-polymer

Capacity: 4150mAh / 32Wh

Device Voltage: 7.6V / 7.7V

Product Type:	Replacement Laptop Battery
Condition:	New
Cell Type:	Conventional Li-polymer
Capacity:	4150mAh / 32Wh
Device Voltage:	7.6V / 7.7V

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.