Charger Bosch GAL 12V-40 4.0A Fast Charger for 12V Bosch batteries (model GAL 12V-40)

Bosch GAL 12V-40 is a fast charger designed to recharge Bosch 12V lithium-ion battery packs. With a rated charging current of 4.0 A, the unit shortens charging cycles compared with standard chargers while maintaining integrated safety measures for cell protection and temperature monitoring. The charger features a compact housing and a plug-in design that supports workshop, jobsite and household storage and transport.

Advantages

The charger combines higher charging current with automatic charge management to protect battery cells and extend usable battery life. Built-in protection against overcharge, overtemperature and short-circuit conditions ensures safe operation. Its compact size and lightweight construction make it easy to place on a shelf or carry in a toolbox, and visual charge indicators provide clear status feedback during the charging process.

Suitable for

• Charging Bosch 12V lithium-ion battery packs used in cordless drills, screwdrivers and other 12V power tools
• Regular workshop charging where shorter recharge times improve workflow
• Household tool storage and occasional charging of 12V batteries
• Professionals and hobbyists needing a compact, transportable charger for jobsite use

Key specifications

• Input: mains voltage compatible with regional supply (check local requirements)
• Output current: 4.0 A nominal charge current
• Compatible battery voltage: 12 V lithium-ion systems
• Charge management: automatic termination and cell protection circuits
• Indicators: built-in LED status indicators for charging and charged states
• Physical design: compact, lightweight housing suitable for storage and transport

How to use

Connect the charger to the mains supply appropriate for your region, insert the compatible 12V Bosch battery pack into the charger receptacle until it engages, and observe the LED indicators for charge status. Leave the battery to charge until the charger indicates a completed cycle. After charging is complete, remove the battery by pressing the release mechanism on the tool or battery adapter and store both charger and battery in a dry, ventilated place. Do not attempt to open or modify the charger housing.

Usage recommendations

For longest battery life, allow the charger to complete the full charge cycle and avoid prolonged storage of batteries in a fully discharged state. Charge batteries at ambient temperatures within the manufacturer’s recommended range and avoid exposing the charger and batteries to moisture or extreme heat. Use only Bosch 12V lithium-ion battery packs specified for this charger to ensure compatibility and safety.