1. Introduction
This manual provides essential information for the safe and effective use of your STIGA SBT 550 AE 48V 5Ah Lithium-Ion battery. This high-performance battery is designed for compatibility with all products in the STIGA 500 series. Please read these instructions carefully before initial use and retain them for future reference.
2. Safety Information
Always observe the following safety precautions to prevent personal injury and damage to the battery or connected equipment.
- Charging: Only use STIGA-approved chargers designed for 48V Lithium-Ion batteries. Using an incompatible charger may cause fire, explosion, or injury.
- Storage: Store the battery in a cool, dry place, away from direct sunlight, heat sources, and flammable materials. Keep out of reach of children and pets.
- Handling: Do not short-circuit the battery terminals. Avoid dropping, puncturing, or disassembling the battery. Do not expose the battery to water or extreme temperatures.
- Damage: If the battery is damaged, leaking, or shows signs of overheating, discontinue use immediately and contact STIGA service.
- Disposal: Dispose of the battery responsibly according to local regulations. Do not dispose of in household waste or by incineration.
3. Product Overview
The STIGA SBT 550 AE battery features a robust design with user-friendly elements.

Image 1: STIGA SBT 550 AE 48V 5Ah Lithium-Ion Battery. This image shows the dark grey battery unit with an orange carry handle and an orange unlock button. The top surface includes a button for checking the charge status, indicated by a series of LED lights.
Key Features:
- High Capacity: 5.0 Ah for extended runtime.
- Voltage: 48V for powerful performance.
- Lithium-Ion Technology: Provides consistent power and long life.
- Charge Status Indicator: A button allows you to check the remaining charge level via LED lights.
- Ergonomic Carry Handle: For comfortable transport.
- Practical Unlock Button: For easy insertion and removal from tools.
4. Setup
4.1 Initial Charging
- Ensure you have a compatible STIGA 48V battery charger (sold separately).
- Connect the charger to a suitable power outlet.
- Insert the battery into the charger, ensuring it clicks securely into place.
- Allow the battery to charge fully before first use. The charger's indicator lights will show the charging status.
- Once fully charged, disconnect the battery from the charger and unplug the charger from the power outlet.
4.2 Installation into a Tool
- Ensure the STIGA 500 series tool is switched off and any safety mechanisms are engaged.
- Align the battery with the battery compartment of the tool.
- Slide the battery into the compartment until it clicks firmly into place. Ensure the unlock button is not pressed during insertion.
- Gently pull on the battery to confirm it is securely locked.
5. Operating
5.1 Checking Charge Status
The battery features a convenient button to check its charge level:
- Press the charge status button located on the top of the battery.
- A series of LED lights will illuminate, indicating the approximate remaining charge. Typically, more illuminated LEDs mean a higher charge.
5.2 Removing the Battery
- Ensure the tool is switched off.
- Press and hold the orange unlock button on the battery.
- Slide the battery out of the tool's compartment.
6. Maintenance
6.1 Cleaning
- Wipe the battery exterior with a clean, dry cloth.
- Do not use solvents, abrasive cleaners, or immerse the battery in water.
- Keep the battery terminals clean and free from debris.
6.2 Storage
- For long-term storage, charge the battery to approximately 50-70% capacity.
- Store the battery in a cool, dry environment, ideally between 10°C and 25°C (50°F and 77°F).
- Avoid storing in direct sunlight or areas with high humidity.
7. Troubleshooting
If you encounter issues with your battery, refer to the following common solutions:
- Battery not charging:
- Ensure the charger is properly plugged into a working power outlet.
- Verify the battery is correctly seated in the charger.
- Check for any visible damage to the battery or charger.
- Battery not powering tool:
- Confirm the battery is fully charged.
- Ensure the battery is securely installed in the tool's compartment.
- Check if the tool itself is functioning correctly with another battery (if available).
- Battery overheating during use or charging:
- Immediately stop using or charging the battery.
- Allow the battery to cool down in a well-ventilated area.
- If overheating persists, discontinue use and contact STIGA service.
For issues not covered here, please contact STIGA customer support.
8. Specifications
| Feature | Specification |
|---|---|
| Model | SBT 550 AE |
| Part Number | 278015008-ST1 |
| Battery Type | Lithium-Ion |
| Voltage | 48 Volts |
| Capacity | 5.0 Amp Hours (5Ah) |
| Weight | 1.5 kg |
| Compatible Devices | STIGA 500 series products |
9. Warranty and Support
For information regarding warranty coverage, service, or technical support, please refer to the warranty card included with your product or visit the official STIGA website. You may also contact STIGA customer service directly for assistance.







