Bosch Angle Grinder Cordless 4.5” 18V 4AH

1. Powerful Motor: The grinder is equipped with a four-brush motor that delivers a no-load speed of 10,000 RPM. This high speed allows for effective cutting and grinding capabilities across different materials1.

2. Battery Compatibility: It operates on an 18V lithium-ion battery system, specifically optimized for Bosch’s Core18V batteries. This design enhances performance and runtime compared to standard batteries2.

3. Lightweight Design: Weighing approximately 4 lbs (without the battery), the grinder is compact and easy to handle, reducing user fatigue during extended use3.

4. Safety Features: The tool includes several safety mechanisms such as:
   • Restart Protection: Prevents accidental startup when switching batteries.
   • Burst-Resistant Wheel Guard: Provides additional protection in case of wheel failure.
   • Electronic Cell Protection (ECP): Protects the battery from overload and overheating13.

5. User Comfort: The two-position vibration control side handle enhances comfort and control during operation, making it easier to manage the tool in various positions12.

6. Durability: Designed for long tool life with features like Electronic Motor Protection (EMP) that shields the motor from overload conditions13.

Performance Insights

In practical tests, the Bosch GWS18V-45 has shown impressive performance metrics:

• With a 4.0 Ah battery, users can expect about 20-25 minutes of continuous heavy-duty use.
• The Core18V battery significantly improves cutting efficiency; for example, it can perform more cuts per charge compared to lower capacity batteries23.