Introduction
This manual provides essential information for the safe and efficient use of your Seilylanka 15.6V 3000mAh Ni-MH Battery Pack. This battery is designed as a replacement for FESTOOL BPS 15.6 and TDK 15.6 power tools, specifically compatible with original battery T-Nr. 481710 D-73240 and T-Nr 492279. Please read this manual thoroughly before first use and retain it for future reference.
Safety Information
Always observe the following safety precautions to prevent injury or damage to the battery and tools:
- Do not disassemble, open, or shred the battery pack.
- Do not short-circuit a battery pack. Do not store battery packs haphazardly in a box or drawer where they may short-circuit each other or be short-circuited by other metal objects.
- Do not expose battery packs to heat or fire. Avoid storage in direct sunlight.
- Do not subject battery packs to mechanical shock.
- In the event of a battery leaking, do not allow the liquid to come into contact with the skin or eyes. If contact has been made, wash the affected area with copious amounts of water and seek medical advice.
- Do not use any charger other than that specifically provided for use with the equipment.
- Keep battery packs out of the reach of children.
- Seek medical advice immediately if a battery pack has been swallowed.
- Keep battery packs clean and dry.
- Do not leave a battery pack on prolonged charge when not in use.
- When disposing of battery packs, follow local regulations for proper disposal of Ni-MH batteries.
Setup
Upon receiving your new Seilylanka battery pack, it is recommended to fully charge it before its first use. This ensures optimal performance and battery life.
- Initial Charge: Insert the battery pack into a compatible FESTOOL 15.6V Ni-MH battery charger. Ensure the battery is securely seated.
- Charging Indicator: Observe the charger's indicator lights. A full charge is typically indicated by a solid green light or as specified by your charger's manual.
- First Use: After the initial charge, the battery is ready for use with your compatible power tool.

Image: The Seilylanka 15.6V 3000mAh Ni-MH battery pack, showing its robust casing and connection points, ready for charging or installation into a compatible tool.
Operating Instructions
This battery pack is designed for use with FESTOOL BPS 15.6 and TDK 15.6 power tools.
- Installation: Align the battery pack with the battery slot on your FESTOOL power tool. Slide the battery into place until it clicks securely. Ensure it is fully seated to prevent accidental dislodgement during operation.
- Removal: To remove the battery, press the release button(s) on the tool (if present) and slide the battery out.
- Usage: Operate your power tool as per its specific instruction manual. The battery provides 15.6V power for cordless operation.
- Discharge: For Ni-MH batteries, it is generally recommended to fully discharge the battery before recharging to minimize the "memory effect," though modern Ni-MH batteries are less susceptible.
Maintenance
Proper maintenance extends the life and performance of your battery pack.
- Charging: Always use a charger compatible with 15.6V Ni-MH batteries. Avoid overcharging by removing the battery once fully charged, especially with older charger models.
- Storage: Store the battery pack in a cool, dry place away from direct sunlight and extreme temperatures. For long-term storage, charge the battery to about 40-50% capacity.
- Cleaning: Keep the battery terminals clean and free from dirt or debris. Use a dry cloth to wipe them if necessary. Do not use liquids or solvents.
- Temperature: Avoid operating or charging the battery in extreme hot or cold conditions, as this can affect performance and lifespan.
Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Battery not charging. |
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| Tool not operating with battery. |
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| Reduced run time. |
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Specifications
| Feature | Detail |
|---|---|
| Brand | Seilylanka |
| Model Compatibility | FESTOOL BPS 15.6, FESTOOL TDK 15.6 |
| Replaces Original Battery | T-Nr. 481710 D-73240, T-Nr 492279 |
| Battery Type | Ni-MH (Nickel-Metal Hydride) |
| Voltage | 15.6V |
| Capacity | 3000mAh (3.0Ah) |
| Reusability | Rechargeable |
| Item Weight | 0.65 Kilograms |
| Manufacturer | Runda |
Disposal Information
This product contains Ni-MH batteries. Do not dispose of this product with household waste. Please follow local regulations for the proper disposal of rechargeable batteries. Contact your local waste management authority for information on recycling options.





