Features: * Compact charger design gets users power ready fast, with dual-mode charging, compatibility with all Bosch 18V Li-ion batteries * Fast-charging operation fully charges a spent ProCORE18V 4.0 Ah Lithium-ion battery in just over 45Mins * Regulated dual-mode charging safely charges battery fast; first 80% of charge is fast, remaining 20% in long-life mode * Battery-status indicator provides indication if charger is in fast-charging mode, long-life mode or when charging is complete * Error indicator will alert the user if charging is interrupted due to temperature and/or battery failures * Flexible charging solution Compatible with all Bosch 18V Lithium-ion batteries * Compact design small and light charger designed to be convenient and portable