Futurebatt CM03XL Battery for HP EliteBook & ZBook — 6‑Cell 11.1V, CM03/CM03050XL

Overview

The Futurebatt CM03XL is a dependable replacement battery designed to power a wide range of HP notebooks. It’s built to slot into devices with minimal fuss, delivering steady performance when you need it most. This model prioritizes compatibility, quality, and user-friendly support, so you can swap in a fresh energy source without downtime.

With an eye toward real-world use, the CM03XL keeps your daily workflow moving—from commuting between meetings to long study sessions at a cafe. While results vary by usage, many users notice a tangible improvement in uptime between charges and a smoother transition between powering options.

Specifications & What’s Included

• 6-cell Li‑ion battery with a nominal voltage of 11.1V (10.8V compatible) and a capacity of 4000mAh
• Brand-new from the manufacturer, designed to resemble the OEM battery in size and shape
• Rechargeable up to 600 times over the life of the battery
• Built-in circuit protection and CE/RoHS certification for safety, reliability, and environmental compliance

Compatibility

The CM03XL is compatible with HP EliteBook 740, 745, 750, 755, 840, 845, 850, 855 G1/G2 and HP ZBook 14/15u series. It supports part numbers HSTNN-DB4Q, HSTNN-L11C-5, HSTNN-LB4R, 717376-001, CM03, and CM03050XL. To ensure a proper fit, compare your device’s diagnostics and the listed part numbers.

Safety, Quality, and Support

All Futurebatt products are manufactured under strict quality controls and carry safety certifications. The CM03XL includes built-in protection to help prevent common issues during use, and the battery’s design adheres to compatibility guidelines and environmental safety standards. If you have questions or need assistance with installation, our customer service team is ready to help you have a smooth transition.

Real-World Use Scenarios

Imagine swapping in the CM03XL before a travel day or a long work session away from a power outlet. The battery’s solid performance supports tasks such as document editing, presentations, and light software workflows. It also serves well for students who study across campus or remote workers who rely on portable power between plugs.

What You Gain

• Reliable power replacement that fits the device profile and helps maintain a balanced weight while in use
• Consistent performance with a newly manufactured cell design
• Confidence from CE/RoHS certification and built-in protection features
• Peace of mind from a brand-backed product with assistance when needed

Usage Ideas

Keep a charged CM03XL in your bag for on-the-go work sessions, business trips, or classroom time. With routine use, you may experience smoother transitions between battery and AC power, and fewer interruptions due to unexpected power loss.