Einhell 4511489 Power X-Change 18V, 4.0Ah Lithium-Ion Battery Twin Pack| 2 x 4,0Ah Batteries Universally Compatible With All PXC Power Tools And Garden Machines, Red, Black, 7.0 cm*12.0 cm*7.5 cm

Einhell Power X‑Change 18V Twin Pack – 4.0 Ah Lithium‑Ion Batteries

The Einhell 4511489 Power X‑Change 18V Twin Pack delivers a robust, high‑capacity power source for all PXC tools and garden machines that operate on the 18 V system. Each pack contains two 4.0 Ah lithium‑ion cells, providing a combined output of 8 Ah when used in parallel. This configuration extends runtime, reduces downtime, and ensures consistent performance across demanding tasks.

Key Technical Specifications

• Voltage: 18 V (nominal)
• Capacity per cell: 4.0 Ah
• Total capacity (dual pack): 8.0 Ah
• Maximum power rating: 900 W
• Dimensions: 7.0 cm × 12.0 cm × 7.5 cm (each cell)
• Weight: 1.30 kg for the complete twin pack
• Color scheme: Red and black finish, matching the standard PXC tool aesthetic
• Connector type: Standard PXC 18 V plug compatible with all Einhell Power X‑Change devices
• LED status indicator: Built‑in LED display for charge level and health monitoring

Universal Compatibility

The twin pack is engineered to fit seamlessly into every Einhell PXC power tool, from cordless drills and impact drivers to garden equipment such as hedge trimmers, leaf blowers, and string trimmers. Its universal design eliminates the need for multiple battery types, simplifying inventory management for both hobbyists and professional users.

Advanced Battery Management Features

• Smart charge cycles: The pack incorporates adaptive charging technology that tailors the charge profile to the current load, extending overall lifespan.
• Temperature monitoring: Built‑in sensors detect overheating and automatically adjust charging parameters for safety.
• Balanced cell chemistry: Dual cells are matched in capacity and internal resistance, ensuring even discharge and preventing premature failure of one cell.

Durability & Safety

The lithium‑ion construction offers a high energy density while maintaining low self‑discharge rates. The pack is sealed against dust and moisture, making it suitable for outdoor use in varying weather conditions. Additionally, the integrated safety circuitry protects against over‑current, short circuits, and reverse polarity.

Installation & Usage

1. Insert both cells: Align the twin pack with the tool’s battery compartment; the two cells fit side by side.
2. Secure connection: The plug locks into place, ensuring a firm electrical contact.
3. Check LED status: Verify that the LED indicator shows full charge before use.
4. Operate tool: Enjoy extended runtime and consistent torque or cutting power.

Maintenance Tips

• Charge fully before first use to calibrate the battery management system.
• Avoid deep discharge; keep the pack above 20 % charge for optimal longevity.
• Store in a cool, dry place when not in use; temperatures between 15–25 °C are ideal.
• Inspect connectors periodically for corrosion or wear.

Why Choose the Einhell Twin Pack?

The combination of high capacity, universal fit, and intelligent battery management makes the Einhell Power X‑Change 18V Twin Pack a superior choice for users who demand reliability and performance from their cordless tools. Whether you’re tackling a home renovation project or maintaining a commercial garden, this twin pack delivers the power you need without compromising safety or convenience.

Product Summary

Model: 4511489 Power X‑Change Twin Pack
Voltage: 18 V
Capacity: 4.0 Ah per cell (8.0 Ah total)
Dimensions: 7.0 cm × 12.0 cm × 7.5 cm per cell
Weight: 1.30 kg for the complete pack
Compatibility: All Einhell PXC tools and garden machines

Elevate your cordless tool experience with a battery solution that combines power, versatility, and smart technology—all in one compact twin pack.