ASUS C21N1638 Laptop Battery Replacement | Original Quality Li-ion Battery for ASUS VivoBook Series | Slim Design & Long Life

📄 Product Description

Power your ASUS laptop with this premium ASUS C21N1638 replacement battery, designed for modern slim laptops.

Built with high-quality lithium-ion cells, this battery delivers stable performance, efficient power usage, and reliable daily backup, making it perfect for work, study, and travel.

Slim, lightweight, and engineered for performance.

🔋 Key Features:

• High-quality lithium-ion battery

• Slim internal design for modern ultrabooks

• Efficient power usage & stable performance

• Fast charging capability

• Built-in protection (overcharge, overheating, short circuit)

• 100% compatible with ASUS C21N1638 models

💼 Ideal for students, professionals, and everyday users.

⚙️ Specifications

• Battery Type: Li-ion

• Voltage: 7.6V / 7.7V

• Capacity: ~38Wh

• Cells: 2-Cell

• Condition: Brand New

• Warranty: 3–6 Months

💻 Compatible Models

• ASUS VivoBook Series (selected models)

• ASUS X407 / X407UA / X407MA

• ASUS X507 Series (selected models)

(Always confirm your original battery code: C21N1638)

🔑 SEO Keywords / Tags

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📈 SEO Meta Description

Buy ASUS C21N1638 laptop battery replacement in Sri Lanka. Slim Li-ion battery for VivoBook series with long life and warranty.