1. Introduction
This manual provides essential information for the safe and efficient use of your Einhell Power X-Change 18V 4.0Ah Lithium-Ion Battery and Fast Charger Starter Kit. This kit is designed to power all tools within the Einhell Power X-Change family, offering cordless flexibility for various applications.

Image 1.1: The Einhell Power X-Change 18V 4.0Ah battery and fast charger kit.
The Power X-Change system ensures compatibility across a wide range of Einhell tools, allowing you to use the same battery and charger for multiple devices.

Image 1.2: The Einhell Power X-Change system demonstrating compatibility with various tools.
2. Setup and Initial Charging
Before first use, ensure the battery is fully charged. The fast charger is designed for quick and efficient charging.
2.1 Charging the Battery
- Connect the fast charger to a suitable power outlet.
- Insert the 18V 4.0Ah Lithium-Ion battery into the charger. Ensure it clicks securely into place.
- The charger's 6-level LED indicator will show the charging status. A full charge typically takes approximately 75 minutes.

Image 2.1: The battery correctly inserted into the fast charger for charging.

Image 2.2: Close-up of the charger's 6-level LED indicator.
The intelligent charging system monitors the battery to ensure optimal charging and extended battery life. The charger also features a "Refresh mode" for reactivating deeply discharged batteries.

Image 2.3: Detailed view of the battery and charger features, including LED indicators and Refresh mode.
2.2 Wall Mounting the Charger
The charger can be conveniently mounted on a wall using its integrated suspension eyelets.

Image 2.4: Underside of the charger with wall mounting points.
3. Operating Instructions
3.1 Attaching and Removing the Battery
- To attach the battery: Align the battery with the battery slot on your Einhell Power X-Change tool and slide it in until it clicks into place.
- To remove the battery: Press the release button(s) on the battery and slide it out of the tool. Use the grip recesses for easier removal.

Image 3.1: Demonstrating battery removal from a tool.
3.2 Checking Battery Charge Level
The battery features a 3-position LED indicator to show the current charge level. Press the button on the battery to activate the indicator.

Image 3.2: Checking the battery charge level using the 3-position LED indicator.
3.3 Twin-Pack Technology
For applications requiring 36V power, two 18V Power X-Change batteries can be used together in compatible tools (Twin-Pack technology).

Image 3.3: Twin-Pack technology for 36V power applications.
4. Maintenance and Care
- Battery Storage: Store batteries in a cool, dry place away from direct sunlight and extreme temperatures.
- Cleaning: Clean the battery and charger with a soft, dry cloth. Do not use liquids or abrasive cleaners.
- Intelligent Charging: The intelligent charging system helps prolong battery life by preventing overcharging and deep discharge.
- Refresh Mode: If a battery is deeply discharged, the charger's Refresh mode can attempt to reactivate it.
- Protection: The battery features a robust housing with soft-grip surfaces for high shock protection and secure handling.

Image 4.1: The battery's robust housing designed for protection and grip.
5. Troubleshooting
This section addresses common issues you might encounter with your Einhell Power X-Change battery and charger.
| Problem | Possible Cause | Solution |
|---|---|---|
| Battery not charging | Charger not connected to power; battery not properly inserted; battery too hot/cold; battery deeply discharged. | Ensure charger is plugged in. Re-insert battery firmly. Allow battery to reach room temperature. Use Refresh mode if applicable. |
| LED indicator on battery not lighting up | Battery completely discharged; button not pressed correctly. | Charge the battery. Ensure the button is pressed firmly. |
| Charger LED shows error | Battery fault; charger fault; battery temperature outside operating range. | Refer to the charger's specific LED error codes (if available in separate documentation). Allow battery to cool down or warm up. If problem persists, contact customer support. |
For further assistance, please refer to the official Einhell support channels.
6. Specifications
| Feature | Specification |
|---|---|
| Brand | Einhell |
| Model Number | Power X-Change |
| Battery Type | Lithium-Ion |
| Battery Voltage | 18 V |
| Battery Capacity | 4.0 Ah |
| Charging Time | Approx. 75 minutes |
| Product Dimensions | 12.8 x 10.5 x 5.7 cm |
| Product Weight | 1.13 kg |
| Special Features | 3-position LED charge indicator (battery), 6-position LED charge indicator (charger), Intelligent charging system, Refresh mode, Microprocessor control, Twin-Pack capability. |
7. Warranty and Support
Einhell offers a voluntary extended warranty for Power X-Change batteries and devices. To activate the 3-year warranty for your battery, you must register your product within 30 days of purchase on the official Einhell website.
For detailed warranty terms, product registration, or technical support, please visit the official Einhell website or contact their customer service.
Note: Keep your proof of purchase for warranty claims.
8. Safety Information
- Always use the battery and charger according to the instructions provided.
- Do not expose the battery or charger to moisture, rain, or extreme temperatures.
- Do not attempt to open or modify the battery or charger.
- Dispose of batteries responsibly according to local regulations.
- Keep out of reach of children.





