Bosch 12 Volt and 18 Volt Power Tool Battery Charger Roof Coatings flap wheels for grinding or flap wheels for grinding or surface preparation applications REDLINK plus intelligence: ensures optimal performance and provides overload protection to prevent damage to the tool and battery during heavy applications while still maintaining compatibility across the entire M18 system 0 Ah battery in 45 minutes Battery charge indicator – provides charging status Flexible charging solution – compatible with all Bosch 18V and Bosch 12V Max Lithium ion batteries Compact size – designed to be convenient all in one charger 0 Ah battery in 85 minutes Fast 12V Max charging – charges a spent Bosch 12V Max 2