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Bosch GWS18V-45B14 18V 4-1/2" Angle Grinder Kit

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The Bosch GWS18 V-45B14 18 V 4-1/2" angle grinder kit pairs the ideal cordless grinder for pros who need unleashed performance and the CORE18 V battery – the best-built battery on the planet. With its four-brush motor design and optimized gear structure, the GWS18 V-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 CORE18 V 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 CORE18 V to 80% in 41 minutes.

Standard Equipment:

  • (1) GWS18V-45 18V 4-1/2" Angle Grinder
  • (1) GBA18V63 CORE18V Lithium-ion 6.3 Ah Battery
  • (1) BC1880 18V Fast Charger
  • (1) Vibration Control Handle
  • (1) Wheel Guard
  • (1) Grinding Disc
  • (1) Carrying Bag

Optional Accessories:

Optional Accessories:


  • Power Rating: 18V
  • Height: 3.6"
  • Length: 12.5"
  • Width: 4.5"
  • Weight: 3.9 lbs


  • GWS18 V-45 – features a powerful four-pole, open-frame motor for 10,000 no-load RPM
  • GWS18 V-45 – designed with an optimized gear structure for all-day grinding tasks
  • CORE18 V – made with high-power cells delivering up to 80% more power than previous-gen 6.0 Ah batteries
  • CORE18 V – has an enhanced cell design for up to 20% longer runtime than previous-gen 6.0 Ah batteries
  • BC1880 – charges the CORE18 V to 80% in 41 minutes and to 100% in 55 minutes
  • GWS18 V-45 – includes a two-position Vibration Control side handle for comfortable control
  • GWS18 V-45 – optimized for metal applications with a four-pole motor
  • GWS18 V-45 – includes a burst-resistant wheel guard for additional protection to user
  • GWS18 V-45 – furnishes restart protection to prevent accidental startup when switching batteries
  • GWS18 V-45 – features lifetime brush design for long motor life
  • GWS18 V-45 – has Electronic Cell and Motor Protection for long runtime and 2X lifetime
  • GWS18 V-45 – provides a large spindle lock for easier change-out of accessories
  • CORE18 V – employs the Bosch-exclusive CoolPack 2.0 technology, which provides up to 35% more cooling effect than the previous-generation CoolPack system
  • CORE18 V – has an efficient design with a 1.8 Lbs. weight and performance comparable to competitive batteries up to 35% larger
  • CORE18 V – provides backward and forward compatibility with all Bosch 18 V tools
  • CORE18 V – offers cold weather operation in conditions down to -4° F

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