Bosch GAL 18V-40, Boxed Battery Charger

The Bosch GAL 18V-40 is a compact mains battery charger engineered for Bosch 18 V cordless tool batteries. Designed to provide consistent charging performance in workshops and on job sites, the unit combines a small footprint with a straightforward connector interface and a lightweight housing of 550 g. Its dimensions of 252 mm x 140 mm x 96 mm make it suitable for storage in toolboxes or on shelving while remaining accessible for routine charging cycles.

Advantages

The charger delivers stable charging current and thermal management adapted to 18 V battery chemistry, reducing the risk of overcharging and helping maintain battery health. The compact size and modest weight support easy transport and handling. Built to Bosch quality standards, the device integrates with Bosch battery systems and provides predictable charging times for compatible cells.

Suitable for

• Charging Bosch 18 V lithium-ion tool batteries
• Workshop and professional job site battery maintenance
• Keeping spare batteries ready for continuous work shifts
• Home DIY setups where compact, reliable charging is required

Key specifications

• Compatible voltage: 18 V battery systems
• Weight: 550 g
• Dimensions (L × W × H): 252 mm × 140 mm × 96 mm
• Design: compact mains charger with integrated connector
• Intended environment: indoor use for tool battery charging

How to use

Connect the charger to a suitable mains outlet and attach the compatible Bosch 18 V battery to the charger’s interface until it seats securely. Allow the charger to complete its cycle according to the battery’s charge indicator; do not disconnect prematurely if the indicator shows charging in progress. After charging finishes, remove the battery and store it or install it in the tool. Follow standard safety precautions such as ensuring dry conditions and avoiding exposure to extreme temperatures while charging.

Recommendations

For consistent battery longevity, charge batteries at room temperature and avoid repeated deep discharges. Use the charger with Bosch 18 V lithium-ion batteries only, and consult the battery and tool manuals for specific charging intervals and storage guidance.