Bosch GWS18V-45B14 18 V 4-1/2 In. Angle Grinder Kit with CORE18V 6.3Ah Battery


The Bosch GWS18V-45B14 18 V 4-1/2 In. angle grinder kit pairs the ideal cordless grinder for pros who need unleashed performance and the CORE18V battery the best-built battery on the planet. With its four-brush motor design and optimized gear structure, the GWS18V-45 grinder produces 10,000 no-load RPM. It features a two-position vibration control side handle for better handling. It is designed for long life, with overload protection and lifetime brush design. The CORE18V 6.3 Ah battery provides more power than the previous-generation batteries, delivering performance comparable to competitor batteries that are up to 35% larger. It features CoolPack 2.0 technology for longer battery life, and it is backward and forward compatible with all Bosch 18 V tools and chargers. The included Bosch BC1880 18 V fast charger can charge a spent CORE18V to 80% in 41 minutes.



  • GWS18V-45 features a powerful four-pole, open-frame motor for 10,000 no-load rpm
  • GWS18V-45 designed with an optimized gear structure for all-day grinding tasks
  • CORE18V made with high-power cells delivAering up to 80% more power than previous-gen 6.0 Ah batteries
  • CORE18V has an enhanced cell design for up to 20% longer runtime than previous-gen 6.0 Ah batteries
  • BC1880 charges the CORE18V to 80% in 41 minutes and to 100% in 55 minutes
  • GWS18V-45 includes a two-position Vibration Control side handle for comfortable control
  • GWS18V-45 optimized for metal applications with a four-pole motor
  • GWS18V-45 includes a burst-resistant wheel guard for additional protection to user
  • GWS18V-45 furnishes restart protection to prevent accidental startup when switching batteries
  • GWS18V-45 features lifetime brush design for long motor life
  • GWS18V-45 has Electronic Cell and Motor Protection for long runtime and 2X lifetime
  • GWS18V-45 provides a large spindle lock for easier change-out of accessories
  • CORE18V employs the Bosch-exclusive CoolPack 2.0 technology, which provides up to 35% more cooling effect than the previous-generation CoolPack system
  • CORE18V has an efficient design with a 1.8 Lbs. weight and performance comparable to competitive batteries up to 35% larger
  • CORE18V provides backward and forward compatibility with all Bosch 18V tools