1. Introduction
This manual provides essential information for the safe and efficient use of your vhbw replacement battery. This high-quality Li-Ion battery is designed as a compatible replacement for specific robotic lawn mowers, offering reliable power and performance.
Please read this manual thoroughly before installation and use to ensure proper operation and to maximize the lifespan of your battery.
2. Safety Instructions
WARNING: Failure to follow these safety instructions may result in fire, electric shock, injury, or damage to the battery or device.
- Always use the original charger or a compatible charger specifically designed for Li-Ion batteries with the correct voltage and current.
- Do not disassemble, crush, puncture, or short-circuit the battery.
- Keep the battery away from heat sources, direct sunlight, and flammable materials. Do not expose to temperatures above 60°C (140°F).
- Do not immerse the battery in water or other liquids.
- Store the battery in a cool, dry place when not in use.
- If the battery shows signs of damage, swelling, or leakage, discontinue use immediately and dispose of it properly.
- Keep out of reach of children and pets.
- Ensure proper polarity when connecting the battery to the device.

Image: The vhbw battery is designed with protection against short circuits, overheating, and overvoltage, ensuring safe operation.
3. Setup and Installation
Before installing the new battery, ensure your robotic lawn mower is turned off and disconnected from any power source.
- Remove Old Battery: Locate the battery compartment on your robotic lawn mower. Refer to your mower's original manual for specific instructions on how to open the compartment and safely remove the old battery.
- Inspect Compartment: Check the battery compartment for any debris, moisture, or corrosion. Clean if necessary.
- Insert New Battery: Carefully insert the vhbw replacement battery into the compartment, ensuring it is oriented correctly according to the markings or shape of the compartment.
- Secure Battery: Close the battery compartment securely.
- Initial Charge: It is recommended to fully charge the new battery before its first use.

Image: The battery is designed for straightforward replacement, allowing for quick and easy installation into compatible devices.
4. Operation and Charging
4.1 Charging the Battery
- Connect your robotic lawn mower (with the vhbw battery installed) to its charging station or connect the battery directly to a compatible charger.
- Ensure the charger is functioning correctly and the charging indicator (if available on your device or charger) shows that charging is in progress.
- Allow the battery to charge fully. Charging times may vary depending on the charger and the battery's discharge level.
- The vhbw battery is a Li-Ion type and does not suffer from memory effect, meaning you can charge it at any time without fully discharging it first.
4.2 Using the Battery
- Once fully charged, the battery is ready for use in your robotic lawn mower.
- Follow your robotic lawn mower's operating instructions for starting and using the device.
- Monitor the battery level indicator on your device (if available) to determine when recharging is necessary.

Image: The vhbw battery features modern technology for long-lasting cells and allows for easy charging with existing compatible chargers.
5. Maintenance
- Regular Cleaning: Keep the battery terminals clean and free from dirt or corrosion. Use a dry cloth to wipe them if necessary.
- Storage: If storing the battery for an extended period, charge it to approximately 50-70% capacity. Store it in a cool, dry place, away from direct sunlight and extreme temperatures. Avoid storing a fully discharged or fully charged battery for long periods.
- Avoid Extreme Temperatures: Do not expose the battery to extremely high or low temperatures, as this can degrade performance and shorten its lifespan.
- Periodic Use: For optimal battery health during long-term storage, it is advisable to partially discharge and recharge the battery every few months.

Image: The battery provides long operating times due to its high capacity, strong performance from quality cells, and reliable power supply.
6. Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Battery not charging |
|
|
| Short operating time |
|
|
| Device not powering on |
|
|
If troubleshooting steps do not resolve the issue, consult the robotic lawn mower's original manual or contact customer support.
7. Specifications
| Feature | Detail |
|---|---|
| Battery Type | Lithium-Ion (Li-Ion) |
| Voltage | 36 V |
| Capacity | 4000 mAh |
| Nominal Energy | 144 Wh |
| Color | Black |
| Model Number | VHBW4065705623561 |
| Weight | 1147 Grams |
| Dimensions (Package) | 16.5 x 13.3 x 10.2 cm |
| Compatibility | Lux Tools 36LB2600, 1787233 robotic lawn mowers |

Image: The vhbw battery is compatible with various garden tools, including robotic lawn mowers, hedge trimmers, grass trimmers, and high-cut pruners.
8. Battery Disposal
Lithium-Ion batteries must not be disposed of with household waste. They contain materials that can be harmful to the environment and human health if not handled properly.
- Always dispose of used batteries at designated collection points or recycling facilities.
- Check with your local authorities for information on battery recycling programs in your area.
- Before disposal, it is recommended to tape the battery terminals to prevent accidental short-circuiting.
9. Warranty and Support
For warranty information or technical support, please refer to the purchase documentation or contact your retailer. Keep your proof of purchase for any warranty claims.