18 V battery with 4.0 Ah capacity for extended runtime and fast charger

• 18 V 4.0 Ah battery with extended runtime for all 18 V class tools
• Extremely fast charging speed for all 18 V batteries, charging a standard 18 V 4.0 Ah battery to 80% in only 48 minutes
• Compatible since 2008: all of our batteries are compatible with new and existing Bosch Professional tools in the same voltage class.