Bosch 18 V Starter Kit with 4.0 Ah Battery & Charger

Experience next-generation power and runtime in a lightweight package. The Bosch 18 V CORE18V 4.0 Ah battery uses advanced 21700 cell technology and exclusive CoolPack 2.0 heat management to deliver high-density energy without the bulk. Paired with the GAL18V-40 dual-stage charger, this starter kit gets you back to work fast—charging to 80% in just 48 minutes and topping off to 100% in about an hour. A clear, high-resolution charge-status indicator shows when you’re in rapid-charge, long-life, or fully charged modes. Part of the AMPShare™ 18 V system, it’s compatible across Bosch 18 V tools and an expanding range of cordless products.

Key Features

• Compact CORE18V 4.0 Ah lithium-ion battery for maximum power-to-weight ratio
• Enhanced 21700 high-power cells for sustained performance on demanding jobs
• CoolPack 2.0 technology cools up to 15% faster, protecting cell life under heavy use
• Rapid dual-stage charging: 80% in 48 minutes, full charge in ~60 minutes
• Standard and long-life charging modes to balance speed and battery longevity
• Integrated LED status indicator clearly shows charging progress
• AMPShare™ 18 V System compatibility with Bosch 18 V tools and partner brands