FUTUROSP CS03XL Laptop Battery for HP EliteBook 840 G3/G4, ZBook 15U G3/G4 – 46.5Wh

Power that travels with you

The FUTUROSP CS03XL laptop battery delivers reliable energy for daily work on HP EliteBook and ZBook models. With a capacity of 46.5Wh and a compact 3-cell design, it balances performance and portability for busy days on the go.

Key specifications

• Battery Type: Li-ion
• Capacity: 46.5Wh / 4100mAh
• Voltage: 11.4V
• Cells: 3-cell

The battery is designed to endure up to 500 recharge cycles over its life, helping you avoid mid-work interruptions and the need for frequent replacements.

Compatible models and parts

This CS03XL battery is compatible with HP EliteBook 840 G3/G4, HP 850, 755, 745 G3/G4, and ZBook 15U G3/G4 series, among others. It supports several part numbers for easy identification, ensuring a straightforward swap when you view your order details.

Practical notes include its 11.4V output and a 3-cell configuration, which together deliver a balance of weight, temperature, and charging behavior suitable for daily tasks and travel.

Safety and quality you can rely on

The FUTUROSP CS03XL is 100% new and designed for compatibility with your device. Built-in protections cover over-current, over-voltage, over-temperature, and short-circuit scenarios, and the battery carries CE, FCC, ROHS, and UKCA certifications for standard safety expectations.

Quality support is available through the seller if you encounter issues after installation, with a friendly process to reach out via your order page.

Real-world use scenarios

Use it as a dependable upgrade for long work sessions, classroom presentations, or travel days. The higher energy density allows you to work without being tethered to a power outlet for extended periods, while the safe design minimizes risk during charging and operation.

• Extended on-the-go productivity with strong capacity and cycle life.
• Reliable performance across compatible HP EliteBook and ZBook models.
• Safety features that help guard against common electrical issues.
• Clear part numbers and compatibility information for a smooth swap.

What to know before you buy

Check compatibility with your exact model and serial number, and refer to the listed part numbers when comparing options. This replacement is intended to restore original user experience and battery longevity to your device.