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

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• 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 with all Bosch Professional 18 V tools and chargers (Professional 18V System)