C21N1818 Battery for Asus VivoBook 14 A412FA X412UA X412FJ Pro 14 R424FA Series

Asus VivoBook 14 (C21N1818) 37Wh Original Replacement Laptop Battery

Looking for a reliable, long-lasting replacement power source for your daily companion? The Asus VivoBook 14 (C21N1818) 37Wh Original Replacement Laptop Battery is engineered to deliver seamless performance, restoring your laptop’s original untethered freedom. Whether you are working on the go, attending online classes, or streaming your favorite media, this high-performance battery ensures uninterrupted productivity.

Available now at CARTX, this genuine replacement part combines superior energy efficiency with advanced safety mechanisms to protect your device.

Key Specifications

• Brand: Asus

• Compatible Models: Asus VivoBook 14 A412FA, X412UA, X412FJ, Pro 14, R424FA, F412DA, X412UB, X412UF Series

• Battery Type: Lithium-Ion

• Cells: 2 Cells

• Battery Capacity: 37Wh (4850mAh)

• Voltage: 7.7V

• Product Part Number: C21N1818, 0B200-03280500, C21PpJH

• Color: Black

• Condition: Brand New

• Warranty: 6 Months

How to Identify an Original Asus Laptop Battery

Purchasing genuine accessories ensures the longevity and safety of your valuable device. Here is how you can verify that the laptop battery you receive is authentic and manufactured to official brand standards:

• Authentic Holographic & Barcode Labels: Genuine Asus replacement batteries feature crisp, high-resolution laser-etched serial numbers, part numbers (such as C21N1818), and official certification logos that match factory specifications.

• Build Quality and Weight: Original Lithium-ion battery packs use high-grade casing materials with precise molding. Fake or low-quality knockoffs often feel noticeably lighter, have misaligned seams, or use substandard plastics.

• Cell Quality & Smart IC Chips: Authentic units integrate genuine protection circuit modules (PCM) to prevent overcharging, overheating, and short-circuiting. You can verify this via software diagnostic tools like BatteryMon or HWMonitor, which will accurately report the design capacity and manufacturer ID.

• Trusted Retailer Sourcing: Buying directly from trusted suppliers like CARTX guarantees that you receive certified factory-original components rather than unbranded counterfeit alternatives.

Why Choose CARTX for Your Laptop Accessories?

When your device requires replacement components, reliability matters. CARTX stands as a premier destination for tech users across Bangladesh seeking dependable hardware solutions. We bridge the gap between premium quality and affordability, ensuring every laptop accessories purchase comes with verified authenticity, professional customer support, and robust warranty backing. Upgrade your setup with confidence today.

Frequently Asked Questions (FAQ)

1. How do I know if my Asus VivoBook needs a new battery?

If your laptop shuts down unexpectedly while unplugged, drains rapidly within minutes, or displays a “Consider Replacing Your Battery” warning in Windows, it is time for a replacement. You can also explore our extensive range of Asus laptop battery options at CARTX to find the exact match for your machine.

2. Is this C21N1818 battery safe for my laptop’s motherboard?

Yes. This battery is built with original-grade cells and intelligent circuit protection, matching the exact voltage (7.7V) and wattage (37Wh) required by your Asus VivoBook 14 to prevent any electrical damage.

3. How should I condition a brand-new laptop battery?

For optimal performance, charge your new battery to 100% and let it calibrate through normal use. Avoid completely draining lithium-ion batteries to 0% frequently, as maintaining a charge between 20% and 80% extends overall battery lifespan.

4. What warranty comes with this battery?

This product includes a 6-month replacement warranty covering manufacturing defects and performance issues. You can claim support directly through CARTX.

Ready to Restore Your Laptop’s Battery Life?

Don’t let a failing battery slow down your workflow. Secure your genuine replacement today!

• Buy Now: Asus VivoBook 14 Replacement Battery at CARTX

• Explore More: Browse all laptop batteries and essential laptop accessories to keep your devices running at peak performance.