Laptop Battery For HP CQ40 CQ50

Laptop Battery for HP ProBook 4320S / 4420S – Reliable Power Backup | Buy Online at DeshiBD.com

Is your HP ProBook battery draining too fast or failing to charge properly? Get your device back to peak performance with the high-quality Laptop Battery for HP ProBook 4320S and 4420S, now available at DeshiBD.com. Built with premium-grade cells and advanced safety features, this battery ensures long-lasting backup, consistent performance, and full compatibility with your laptop.

Perfect for students, professionals, and business users, this replacement battery is the ideal solution to power your HP ProBook reliably throughout the day.

Long-Lasting Battery Life for Daily Use

This 6-cell lithium-ion battery offers a voltage of 10.8V–11.1V and a capacity ranging from 4400mAh to 5200mAh, providing up to 3–5 hours of dependable backup time on a single charge. Whether you’re working, attending meetings, or studying online, this battery keeps your laptop running smoothly without frequent recharging.

Compatible HP Laptop Models

This battery is designed for a perfect fit in the following models:

• HP ProBook 4320S

• HP ProBook 4420S

Compatible Part Numbers:

• HSTNN-OB0X

• HSTNN-LB0X

• HSTNN-UB0W

• 586006-321

• WD548AA

• WD549AA

• 586028-341

If your current battery matches any of the above part numbers, this replacement is guaranteed to work seamlessly.

Built-In Protection for Safety & Stability

The battery includes multiple layers of protection to ensure safe and stable operation:

• Overcharge and over-discharge protection

• Short-circuit and voltage control

• Temperature and power surge protection

It’s built using Grade A+ cells to deliver consistent performance across hundreds of charge cycles.

 Simple Plug-and-Play Installation

No need for tools or professional help! This battery is designed for quick and easy installation, so you can replace your old or damaged battery in minutes. Once installed, your HP ProBook will be ready to perform at its best again.

    Product Details:

• Battery Type: Li-ion

• Voltage: 10.8V – 11.1V

• Capacity: 4400mAh – 5200mAh

• Number of Cells: 6-cell

• Condition: Brand new, A-grade replacement

• Warranty: 3 to 6 months (see product page for details)

• Compatibility: HP ProBook 4320S / 4420S

 Buy HP ProBook 4320S / 4420S Battery Online in Bangladesh – Only at   DeshiBD.com

At DeshiBD.com, we offer affordable and high-performance laptop batteries with fast delivery across Bangladesh. All our products are quality-tested and backed by warranty, so you can shop with confidence.