Brand: ASUS
Factory Part Number (P/N): C21N1833
Compatible Models: S4500F U4500F BX431F UX431F X431F
Label Capacity: 7.7V- 47Wh-6150mAh
Cell Configuration: 2 cells
Real Capacity: 6200mAh
Get premium-quality replacement batteries for your device. Guaranteed safety, power, and performance!
Price Start From 1500 ৳
We Repair Original Laptop Batteries – New Batteries Also Available!
The C21N1833 is compatible with S4500F U4500F BX431F UX431F X431F. We offer top-tier laptop batteries built for reliability and endurance.

High-Performance Laptop Battery Replacement – Reliable Power for Your Device
Looking for a durable and reliable replacement battery for your laptop? Our premium-quality laptop batteries are designed to deliver long-lasting performance, extended battery life, and full compatibility with your device. Whether you’re replacing an old battery or upgrading for better performance, this battery ensures seamless integration and powerful results.
Brand: ASUS
Factory Part Number (P/N): C21N1833
Compatible Models: S4500F U4500F BX431F UX431F X431F
Label Capacity: 7.7V- 47Wh-6150mAh
Cell Configuration: 2 cells
Real Capacity: 6200mAh
Get premium-quality replacement batteries for your device. Guaranteed safety, power, and performance!
Built with top-grade cells and strict quality control, this battery guarantees safety, stability, and power when you need it most. Ideal for professionals, students, and anyone on the go.
🔋 Why Choose Our Batteries?
- 100% compatible with OEM standards
- Overcharge and short-circuit protection
- Certified for safety and efficiency
- Backed by warranty and customer support
Replace your battery with confidence and restore your laptop’s original performance.