Introduction
This manual provides essential information for the safe and efficient use of your Einhell Power X-Change 2 x 4.0 Ah 18V Batteries and Dual Port Charger Starter Kit. Please read these instructions carefully before first use and keep them for future reference.
The Einhell 18V 2x 4.0 Ah PXC Starter Kit is designed to be the foundation for expanding your Power X-Change system. It includes two 18V 4.0 Ah Power X-Change rechargeable batteries and a high-speed dual-port battery charger. This system offers universal compatibility with all Einhell cordless tools for both garden and workshop applications, providing flexibility and cost savings by using a single battery and charger system.
Product Features
- Universal Compatibility: One battery system for all Einhell Power X-Change tools, including drills, drivers, saws, vacuums, and more.
- Powerful Twin-Pack Technology: Batteries can be coupled for demanding 36V applications, providing enhanced power.
- Durable Design: Battery housing offers superior protection against dust, corrosion, and mechanical shock. Rubber coating ensures impact protection and a secure grip.
- Extended Battery Life: Adaptive charging cycles and high-quality lithium-ion cells minimize self-discharge and memory effect, allowing for recharging at any time without damage.
- Charge Level Indicator: A six-stage LED indicator provides immediate information on the current battery charge level.
Safety Instructions
Always observe basic safety precautions when using electrical equipment to reduce the risk of fire, electric shock, and personal injury.
- Ensure the charger is connected to a power supply matching the specifications on the rating plate.
- Do not expose batteries or charger to rain or wet conditions.
- Do not charge damaged batteries.
- Use only original Einhell Power X-Change batteries with this charger.
- Keep the charger and batteries away from heat sources and direct sunlight.
- Do not short-circuit the battery terminals.
- Store batteries in a cool, dry place.
Setup
Unpacking
Carefully remove all components from the packaging. Ensure all parts listed in the package contents are present and undamaged. Dispose of packaging materials responsibly.
Initial Battery Charge
- Connect the dual-port charger to a suitable power outlet. The charger's indicator lights may illuminate briefly.
- Insert one or both 18V 4.0 Ah Power X-Change batteries into the charging slots on the charger. Ensure they click securely into place.
- The charger's LED indicators will show the charging status. A solid green light typically indicates a full charge, while a flashing light indicates charging in progress. Refer to the "Operating" section for detailed LED status meanings.
- Allow batteries to fully charge before first use to ensure optimal performance and lifespan.

Image: The Einhell Power X-Change Dual Port Charger with two 4.0 Ah 18V batteries. The charger is black and red with two battery slots and LED indicators. Two 18V 4.0 Ah batteries are shown in front of the charger.
Operating Instructions
Charging Batteries
The dual-port charger allows for simultaneous charging of both batteries, ensuring quick availability for your tools.
- Connect: Plug the charger into a standard electrical outlet.
- Insert Battery: Slide the battery into the charging slot until it locks.
- Monitor Charge: Observe the LED indicators on the charger and the battery itself.
Charger LED Indicators:
| Indicator | Status |
|---|---|
| Flashing Green | Battery is charging. |
| Solid Green | Battery fully charged. |
| Flashing Red | Battery temperature too high/low, or battery fault. Remove battery and allow to cool or warm up. If issue persists, battery may be defective. |
| Solid Red | Battery defective. Do not use. |
Battery LED Indicators (6-stage):
The battery itself features a 6-stage LED display to show its current charge level. Press the button on the battery to activate the display.
- All 6 LEDs lit: Full charge.
- Fewer LEDs lit: Decreasing charge level.
- Last LED flashing: Battery nearly empty, recharge soon.

Image: A close-up of an Einhell Power X-Change 18V 4.0 Ah battery, highlighting the LED charge level indicator and the button to activate it.
Using Batteries with Tools
Once charged, slide the battery into the compatible Einhell Power X-Change tool until it clicks into place. To remove, press the release button(s) on the battery and slide it out.

Image: An Einhell Power X-Change battery shown inserted into a compatible power tool, demonstrating the universal fit.
Maintenance and Storage
Cleaning
- Always disconnect the charger from the power supply before cleaning.
- Use a dry, soft cloth to wipe down the charger and batteries.
- Do not use abrasive cleaners or solvents.
- Keep electrical contacts clean and free of debris.
Storage
- Store the charger and batteries in a dry, frost-free environment.
- Avoid storing in direct sunlight or areas with extreme temperatures.
- For long-term storage, charge batteries to approximately 50-70% capacity. This helps preserve battery health.
- Periodically check batteries during long storage and recharge if necessary.
Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Charger LED is not lit. | No power supply; loose connection. | Check power outlet and charger connection. |
| Battery not charging (flashing red LED). | Battery too hot/cold; battery defective. | Allow battery to reach room temperature. If issue persists, battery may be faulty. |
| Battery drains quickly. | Battery old/worn; heavy tool usage. | Consider replacing battery if old. For heavy use, ensure battery is fully charged before starting. |
| Battery does not fit into tool/charger. | Incorrect battery type; debris in slot. | Ensure it's an Einhell Power X-Change battery. Check for and remove any obstructions. |
Specifications
| Feature | Detail |
|---|---|
| Brand | Einhell |
| Model | 4512133 |
| Battery Type | Lithium Ion |
| Battery Voltage | 18 Volts |
| Battery Capacity | 2 x 4.0 Ah |
| Charger Type | Dual Port High-Speed Charger |
| Product Dimensions | 37.46 x 19.05 x 6.98 cm |
| Item Weight | 2.4 kg |
| UPC | 772995018390 |
Warranty and Support
Einhell offers a 2-year warranty on Power X-Change products, ensuring safety and durability for your DIY projects. For warranty claims, technical support, or further inquiries, please visit the official Einhell website or contact their customer service.
You can find more information and support at the Einhell Store on Amazon.

Image: A circular logo indicating a "2 Year Warranty" for Einhell Power X-Change products, emphasizing quality and reliability.







