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 Asus C31N1911?

If your laptop is a Asus C31N1911, 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 C31N1911?

Yes. This battery is designed for the Asus C31N1911 and other compatible laptop models listed on the product page. Confirm your exact model before purchase.

What does 3640mAh / 42Wh mean for battery life?

The capacity (3640mAh / 42Wh) 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 Asus battery?

This is a high-quality replacement battery built to meet the required specifications for Asus laptops such as the C31N1911.

C31N1911 Battery for Asus VivoBook Flip 14 F413 K413 R413 R432 R438 S413 S433 TM420 TP420 TP470 X1702ZA X413 X421 Series Asus VivoBook Flip 15 X1502 Series Asus VivoBook 14 A413 D413 M413 Series Laptop B31N1911 0B200-03580000 [11.55V] Compatible Battery

C31N1911 Battery for Asus VivoBook Flip 14 F413 K413 R413 R432 R438 S413 S433 TM420 TP420 TP470 X1702ZA X413 X421 Series VivoBook Flip 15 X1502 Series VivoBook 14 A413 D413 M413 Series B31N1911 0B200-03580000 [11.55V] Compatible Battery

$59.00 CAD

~~$79.00 CAD~~ Sale $59.00 CAD

Minimum Qty	Discount
Buy 5 +	Price with 10% off: $53.10
Buy 10 +	Price with 20% off: $47.20

Discount will be applied at Checkout page

Product variants

Product Info

Type Laptop Battery
SKU LAS365-db-002
Compatible Brand Asus
Capacity 3640mAh / 42Wh
Cell Type Conventional Li-polymer
Warranty 1 Year
Shipping Free Shipping

Description
Specification

COMPATIBLE LAPTOP MODELS

Asus VivoBook 14 A413 Series

Asus VivoBook 14 A413F Series

Asus VivoBook 14 A413J Series

Asus VivoBook 14 A413FA Series

Asus VivoBook 14 A413EP Series

Asus VivoBook 14 A413JP Series

Asus VivoBook 14 D413 Series

Asus VivoBook 14 D413IA Series

Asus VivoBook 14 D413UA Series

Asus VivoBook 14 M413 Series

Asus VivoBook 14 M413DA Series

Asus VivoBook 14 M413IA Series

Asus VivoBook Flip 14 F413JA Series

Asus VivoBook Flip 14 K413 Series

Asus VivoBook Flip 14 K413EP Series

Asus VivoBook Flip 14 K413EQ Series

Asus VivoBook Flip 14 K413FA Series

Asus VivoBook Flip 14 K413FP Series

Asus VivoBook Flip 14 K413FQ Series

Asus VivoBook Flip 14 K413JA Series

Asus VivoBook Flip 14 K413JP Series

Asus VivoBook Flip 14 K413JQ Series

Asus VivoBook Flip 14 R413DA Series

Asus VivoBook Flip 14 R432UA Series

Asus VivoBook Flip 14 R438DA Series

Asus VivoBook Flip 14 R438EA Series

Asus VivoBook Flip 14 R438IA Series

Asus VivoBook Flip 14 R438JA Series

Asus VivoBook Flip 14 R438JP Series

Asus VivoBook Flip 14 S413 Series

Asus VivoBook Flip 14 S413DA Series

Asus VivoBook Flip 14 S413EA Series

Asus VivoBook Flip 14 S413FA Series

Asus VivoBook Flip 14 S413FQ Series

Asus VivoBook Flip 14 S413IA Series

Asus VivoBook Flip 14 S413JA Series

Asus VivoBook Flip 14 S433EA Series

Asus VivoBook Flip 14 S433EQ Series

Asus VivoBook Flip 14 S433FA Series

Asus VivoBook Flip 14 S433IA Series

Asus VivoBook Flip 14 S433JA Series

Asus VivoBook Flip 14 TM420IA Series

Asus VivoBook Flip 14 TM420U Series

Asus VivoBook Flip 14 TM420UA Series

Asus VivoBook Flip 14 TP420 Series

Asus VivoBook Flip 14 TP420IA Series

Asus VivoBook Flip 14 TP420UA Series

Asus VivoBook Flip 14 TP470 Series

Asus VivoBook Flip 14 TP470E Series

Asus VivoBook Flip 14 TP470EA Series

Asus VivoBook Flip 14 TP470EZ Series

Asus VivoBook Flip 14 X1702ZA Series

Asus VivoBook Flip 14 X413EA Series

Asus VivoBook Flip 14 X413FA Series

Asus VivoBook Flip 14 X413FP Series

Asus VivoBook Flip 14 X413JA Series

Asus VivoBook Flip 14 X421DA Series

Asus VivoBook Flip 14 X421EA Series

Asus VivoBook Flip 14 X421EP Series

Asus VivoBook Flip 14 X421EQ Series

Asus VivoBook Flip 14 X421FA Series

Asus VivoBook Flip 14 X421FF Series

Asus VivoBook Flip 14 X421FP Series

Asus VivoBook Flip 14 X421FQ Series

Asus VivoBook Flip 14 X421IA Series

Asus VivoBook Flip 14 X421JA Series

Asus VivoBook Flip 14 X421JP Series

Asus VivoBook Flip 14 X421UA Series

Asus VivoBook Flip 15 X1502 Series

Asus VivoBook Flip 15 X1502V Series

Asus VivoBook Flip 15 X1502VA Series

Asus VivoBook Flip 15 X1502Z Series

Asus VivoBook Flip 15 X1502ZA Series

Asus VivoBook Flip 15 M1502IA Series

COMPATIBLE ORIGINAL PART NUMBERS

B31N1911 | C31N1911 | 0B200-03580000 | 0B200-03750000 | B0B200-03580300

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: 3640mAh / 42Wh

Device Voltage: 11.55V

Product Type:	Replacement Laptop Battery
Condition:	New
Cell Type:	Conventional Li-polymer
Capacity:	3640mAh / 42Wh
Device Voltage:	11.55V

Compatible Brand: Asus

🔋 See More Asus Compatible Laptop Batteries ⚡ See More Asus 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.