Tools / Power Tools
Bosch GLI 18V-800 Professional Battery-Powered Construction Spotlight User Manual
Quick guide for the Bosch GLI 18V-800 Professional cordless worklight. Includes setup, operation, battery management, safety warnings, and maintenance instructions.
Table of contents
Quick guide from the manual
The Bosch GLI 18V-800 Professional is a mobile, cordless worklight designed for temporary, localized indoor illumination. It is not intended for general room lighting. Key features include a 360° rotating and 180° tilting lamp head, a utility hook for hanging, and a magnet for attachment to ferromagnetic surfaces.
Operation
Setup: Place the worklight on a stable, level surface.
Switching on/off and adjusting brightness: Use the On/Off button (1):
- 1x press: Low brightness
- 2x press: Medium brightness
- 3x press: Full brightness
- 4x press: Switch off
If the light has been on in dimmed mode for approximately 5 minutes, the next press will switch it off immediately. Folding the light with the illuminated area facing the battery holder (4) will automatically switch it off.
Battery Management
Charging: Use only recommended Bosch chargers. Lithium-ion batteries are supplied partially charged; fully charge before first use.
Inserting/Removing: Slide the battery into the holder until it clicks. To remove, press the release button and pull the battery out; do not use force.
Charge Indicator: Press the button on the battery to check the charge level (only possible when the light is switched off).
Safety Warnings
- Heat: The worklight produces intense heat. Do not cover the lamp head during operation.
- Magnets: Keep the worklight away from medical implants (e.g., pacemakers, insulin pumps) and magnetic data storage media.
- Overhead Mounting: Do not fix the worklight overhead using the magnetic mount.
- Additional Weight: Do not attach additional weight to the worklight when secured by the magnet or utility hook.
- Light Beam: Do not stare into the light beam. Keep a minimum distance of 0.1m from illuminated surfaces.
Maintenance
The worklight is maintenance-free. Clean the plastic lens only with a dry, soft cloth; do not use detergents or solvents. The light source cannot be replaced; if defective, the entire unit must be replaced.
Manufacturer information
Bosch
Practical help
Common problems
Light flashes 3 times and shines with reduced brightness
The battery is nearly empty; the light will switch off shortly.
No LEDs light up when checking battery charge
The battery is defective and must be replaced.
Light switches off automatically
Temperature-dependent overload protection has been triggered. Let the light cool down before switching it back on.
Before use
- Ensure the battery is fully charged.
- Check that the lamp head is not covered.
- Ensure the worklight is placed on a stable, level surface.
- Verify the battery is securely locked in the holder.
Specs in practice
- Rated voltage
- 18V (compatible with Bosch 18V battery system).
- Total luminous flux
- 800 lumens at full brightness.
- Lighting duration
- Approximately 150 min/Ah.
Model compatibility
- Compatible with Bosch GBA 18V and ProCORE18V battery series.
- Compatible with GAL 18..., GAX 18..., and GAL 36... series chargers.
Manual page author
Michael Turner
Technical manual editor
Reviews PDF manuals for structure, safety notes, and practical product details so readers can find the right information quickly.