1. Introduction
This manual provides essential information for the safe and efficient use of your Kärcher Battery Power 4/25 Lithium-Ion Battery Pack. This 2.5 Ah lithium-ion battery is designed to power various Kärcher 4V devices, including window cleaners, vacuum cleaners, and floor cleaners. It features IPX4 splash protection and an optimized battery management system for reliable performance. Please read these instructions carefully before first use and keep them for future reference.
Image 1.1: Kärcher Battery Power 4/25 Lithium-Ion Battery Pack. This image shows the compact design of the battery pack, highlighting its connection terminals and branding.
2. Safety Instructions
Always observe the following safety precautions to prevent injury or damage to the battery pack or connected devices.
- Read all instructions: Before using the battery pack, read all instructions and cautionary markings on the battery pack, the charger, and the product using the battery.
- Use only with specified chargers: Charge the battery pack only with the Kärcher Fast Charger Duo Battery Power 4V or other chargers specified by Kärcher for this battery model. Using an incompatible charger may create a risk of fire.
- Avoid short-circuiting: Do not short-circuit the battery pack. Do not place the battery pack on a metal surface or near metal objects that could short-circuit the terminals.
- Do not expose to extreme conditions: Do not expose the battery pack to rain or wet conditions. Do not store or use the battery pack in temperatures exceeding 122°F (50°C) or below 32°F (0°C).
- Handle with care: Do not drop, crush, or disassemble the battery pack. If the battery pack is damaged, do not use it.
- Keep away from children: Store the battery pack out of reach of children.
- Disposal: Dispose of used battery packs according to local regulations. Do not dispose of in household waste or by incineration.
3. Setup and Installation
The Kärcher Battery Power 4/25 is designed for easy insertion and removal from compatible Kärcher 4V devices.
3.1 Inserting the Battery Pack
- Ensure the Kärcher device is switched off.
- Locate the battery compartment on your Kärcher 4V device.
- Align the battery pack with the compartment, ensuring the contacts match.
- Slide the battery pack firmly into the compartment until it clicks into place. Do not force the battery.
3.2 Removing the Battery Pack
- Ensure the Kärcher device is switched off.
- Press the release button(s) on the battery pack or device, if present.
- Gently slide the battery pack out of the compartment.
4. Charging the Battery Pack
The Kärcher Battery Power 4/25 Lithium-Ion Battery Pack requires a compatible Kärcher Fast Charger Duo Battery Power 4V (sold separately) for charging.
- Remove the battery pack from the Kärcher device.
- Connect the Kärcher Fast Charger Duo Battery Power 4V to a power outlet.
- Insert the battery pack into the charging slot of the charger. Ensure it is seated correctly.
- The charger's indicator light will show the charging status.
- Charging times: Approximately 50 minutes for 80% charge, and 70 minutes for 100% charge.
- Once fully charged, remove the battery pack from the charger.
Note: The battery features a temperature optimization management system to ensure safe and efficient charging. Do not attempt to charge a battery that is excessively hot or cold.
5. Operation
Once the battery pack is fully charged and correctly inserted into a compatible Kärcher 4V device, the device is ready for operation.
- Refer to the specific instruction manual of your Kärcher 4V device (e.g., window cleaner, vacuum cleaner, floor cleaner) for detailed operating procedures.
- The battery pack provides consistent power output throughout its discharge cycle.
- If the battery level is low, the device's indicator (if available) will signal this. Recharge the battery as soon as convenient.
6. Maintenance and Storage
Proper maintenance and storage will extend the life of your Kärcher Battery Power 4/25.
- Cleaning: Wipe the battery pack with a dry, soft cloth. Do not use solvents or abrasive cleaners. Ensure the contacts are clean and free of debris.
- Storage: Store the battery pack in a cool, dry place, away from direct sunlight and extreme temperatures. For long-term storage, it is recommended to store the battery with a partial charge (around 50%).
- Avoid deep discharge: Do not allow the battery to fully discharge for extended periods, as this can reduce its lifespan.
- Water resistance: The battery is IPX4 certified, meaning it is splash-proof. However, do not submerge it in water or expose it to strong jets of water.
7. Troubleshooting
If you encounter issues with your Kärcher Battery Power 4/25, refer to the following common problems and solutions.
| Problem | Possible Cause | Solution |
|---|---|---|
| Battery not charging. | Charger not plugged in; battery not properly seated; faulty charger; battery too hot/cold. | Check charger connection; re-insert battery; allow battery to reach room temperature; test with another charger if available. |
| Device not powering on with battery. | Battery not charged; battery not properly inserted; device fault. | Ensure battery is fully charged; re-insert battery firmly; check device manual for troubleshooting. |
| Reduced operating time. | Battery nearing end of life; extreme operating conditions. | Consider replacing the battery; ensure operation within recommended temperature ranges. |
If the problem persists after attempting these solutions, please contact Kärcher customer support.
8. Specifications
| Feature | Detail |
|---|---|
| Model Number | 2.443-002.0 |
| Battery Type | Lithium-Ion |
| Voltage | 4V (compatible with Kärcher 4V Battery Power devices) |
| Capacity | 2.5 Ah (Amp Hours) |
| Water Protection | IPX4 (splash-proof) |
| Dimensions (L x W x H) | 0.38 x 0.12 x 0.12 inches (approximate, based on product dimensions) |
| Weight | 6.3 ounces |
| Charging Time (80%) | Approx. 50 minutes (with Kärcher Fast Charger Duo Battery Power 4V) |
| Charging Time (100%) | Approx. 70 minutes (with Kärcher Fast Charger Duo Battery Power 4V) |
9. Disposal
Do not dispose of battery packs with household waste. Lithium-ion batteries contain materials that can be harmful to the environment if not disposed of properly.
- Recycle the battery pack at an authorized recycling facility.
- Contact your local waste management authority for information on battery recycling programs in your area.
- Ensure the battery terminals are taped to prevent short-circuiting during transport for recycling.
10. Warranty and Support
For information regarding warranty coverage, technical support, or service, please refer to the warranty card included with your purchase or visit the official Kärcher website.
You can also contact Kärcher customer service directly for assistance with your Battery Power 4/25 Lithium-Ion Battery Pack.