20v battery charger; fast charging; suitable for all Snapfresh20v series products Fast full charge in 60 minutes; full charge only takes 60 minutes (2 times the normal speed) Multi-protection safety system; the battery has overload protection and overheat protection; the protection system ensures your safety The charger has an indicator light; it lights up red when the battery is not full, and lights up green when the battery is fully charged Please remove it in time after fully charged to avoid damage to the battery caused by overcharging