The makita dga452z lxt 115mm 18v angle grinder has a 22 minute charging time when coupled with makita39s air cooled makstar optimum charging system it has a 4 pole motor and an anti restart function with a warning lamp to ensure user safety the unit is capable of taking wheels or discs for mains grinders and has an easy grip body there is an electronic current limiter with a warning lamp and high comfort grips bare unit only use with your existing batteries and charger