1. Introduction
Thank you for choosing the LiTHELi 20V Lithium Ion Battery Pack Charger, Model E1-24CR. This manual provides essential information for the safe and efficient operation, maintenance, and troubleshooting of your charger. Please read this manual thoroughly before use and retain it for future reference.
2. Important Safety Instructions
WARNING:
Read all safety warnings and instructions. Failure to follow the warnings and instructions may result in electric shock, fire, and/or serious injury.
- Always use the charger with compatible LiTHELi E1 Series 20V Lithium Ion battery packs. Do not attempt to charge non-rechargeable batteries or batteries from other series (e.g., U1 Series).
- Do not expose the charger to rain or wet conditions. Water entering a battery charger will increase the risk of electric shock.
- Use only the power cord provided or specified by the manufacturer.
- Do not abuse the cord. Never use the cord for carrying, pulling, or unplugging the charger. Keep cord away from heat, oil, sharp edges, or moving parts.
- Do not operate the charger if it has received a sharp blow, been dropped, or otherwise damaged. Take it to an authorized service center.
- Do not disassemble the charger. Take it to an authorized service center when service or repair is required. Incorrect reassembly may result in a risk of electric shock or fire.
- Unplug the charger from the power outlet before attempting any maintenance or cleaning.
- Do not charge battery packs in damp or wet locations.
- Ensure proper ventilation during charging. Do not block ventilation openings.
3. Product Overview
The LiTHELi E1-24CR is a single-port charger designed for efficient charging of LiTHELi 20V E1 Series lithium-ion battery packs. Its compact design makes it suitable for various environments.

Figure 3.1: LiTHELi 20V Single Port Battery Charger.
Key components include the battery pack card slot, precise interface for secure connection, and indicator lights for charging status.

Figure 3.2: Detailed view highlighting the precise interface and battery pack card slot for secure battery connection.
The charger features a compact size, making it convenient for transport and storage.

Figure 3.3: Size comparison of the LiTHELi charger, demonstrating its compact dimensions (178x118x78mm, 0.36kg).
4. Setup
- Unpack: Carefully remove the charger from its packaging. Inspect for any signs of damage.
- Placement: Place the charger on a stable, dry, and well-ventilated surface. Ensure it is away from direct sunlight, heat sources, and flammable materials.
- Connect Power: Plug the charger's power cord into a standard electrical outlet (Input Voltage: 240 Volts, as per specifications). The charger is now ready for use.
5. Operating Instructions
5.1 Battery Compatibility
This charger is designed exclusively for LiTHELi E1 Series 20V Lithium Ion battery packs. It is not compatible with LiTHELi U1 Series battery packs or any other battery types.

Figure 5.1: Diagram illustrating compatibility with LiTHELi E1 Series battery packs (e.g., 2.0Ah, 4.0Ah) and incompatibility with U1 Series.

Figure 5.2: The charger supports various capacities within the E1 Series, such as 2.0Ah and 4.0Ah battery packs.
5.2 Charging a Battery Pack
- Insert Battery: Align the battery pack with the charger's slot and slide it in until it clicks securely into place.
- Monitor Charging: The charger's indicator lights will illuminate to show the charging status. Refer to the charger's labels for specific light patterns (e.g., solid red for charging, solid green for fully charged).
- Charging Time: A 4.0Ah E1 Series battery pack can be fully charged in approximately 1 hour. Charging times may vary for different battery capacities.

Figure 5.3: Illustration of the charger's fast charging capability, indicating a 1-hour charge time for a 4.0Ah E1 battery pack.

Figure 5.4: The charger provides fast and focused charging, ideal for LiTHELi E1 series garden tool batteries.
- Remove Battery: Once fully charged, disconnect the battery pack from the charger by pressing the release button (if present) and sliding it out. Unplug the charger from the power outlet when not in use.
5.3 Compatible Tools
The LiTHELi E1 series batteries, charged by this unit, power a range of garden and power tools.

Figure 5.5: Examples of LiTHELi E1 series tools that utilize the compatible battery packs, including a leaf blower, heat gun, paint sprayer, and chainsaw.

Figure 5.6: The LiTHELi E1 series battery system is perfectly compatible with a wide range of garden tools, ensuring versatile power.

Figure 5.7: The charger supports batteries used in various outdoor equipment, such as a snow blower.

Figure 5.8: The charger provides power for batteries used in lawn care tools, including lawn mowers.

Figure 5.9: The charger supports batteries for various landscaping tools, such as string trimmers.

Figure 5.10: The charger ensures batteries are ready for demanding tasks like tree pruning with a chainsaw.

Figure 5.11: The charger provides power for batteries used in leaf blowers, assisting with yard maintenance.
6. Maintenance
- Cleaning: Disconnect the charger from the power supply before cleaning. Use a soft, dry cloth to wipe the exterior of the charger. Do not use water or chemical cleaners. Keep the charging terminals free of dust and debris.
- Storage: Store the charger in a dry, indoor location, away from extreme temperatures and direct sunlight. Ensure the charger is unplugged when not in use for extended periods.
7. Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Charger indicator lights do not illuminate. | No power to the charger. | Check if the charger is properly plugged into a working power outlet. Test the outlet with another device. |
| Battery pack does not charge. |
|
|
| Charger feels excessively hot during charging. | Poor ventilation or prolonged use. | Ensure the charger is in a well-ventilated area. Discontinue use and allow it to cool down. If overheating persists, contact customer support. |
If you encounter issues not listed here or if solutions do not resolve the problem, please contact LiTHELi customer support.
8. Specifications
| Feature | Detail |
|---|---|
| Model Number | E1-24CR |
| Product Dimensions | 7.2 x 4.72 x 3.15 inches (18.3 x 12 x 8 cm) |
| Item Weight | 14.4 ounces (0.41 kg) |
| Output Voltage | 20 Volts |
| Input Voltage | 240 Volts |
| Current Rating | 2.4 Amps |
| Compatibility | LiTHELi E1 Series 20V Lithium Ion Battery Packs (Not U1 Series) |
9. Warranty and Support
For warranty information, technical support, or service inquiries, please contact LiTHELi customer service. Details regarding warranty coverage and terms are typically provided with your product purchase documentation or can be found on the official LiTHELi website.
You can also visit the official LiTHELi Store on Amazon for more product information and support resources.





