COMPACT CHARGER DESIGN: Gets users power ready fast with a lightweight, compact solution 4-AMP CHARGING CURRENT: Delivers 2x the charging current compared to the gal18v-20 standard charger STANDARD CHARGING OPERATION: Fully charges a spent core18v 4 ah battery in 65 minutes REGULATED DUAL-MODE CHARGING: Charges a battery fast while maintaining overall battery health; first 80% of charge is fast, remaining 20% is in long-life mode ERROR INDICATOR: Alerts the user if charging is interrupted and due to temperature and/or battery failures BATTERY-STATUS INDICATOR: Provides indication if charger is in fast-charging mode, long-life mode or when charging is complete WALL-MOUNTING SLOTS: Provide storage versatility AMPSHARE SYSTEM: Battery system designed to be multi-brand compatible across many cordless products to make managing your work day easier AMPSHARE SYSTEM COMPATIBILITY: 18V batteries and chargers are compatible with bosch 18v power tools and a growing list of cordless products from ampshare brands BOSCH 18V CHARGERS ARE COVERED BY A FIVE YEAR LIMITED WARRANTY - FOR DETAILS, CALL 1-877-BOSCH99