Cordless Concrete Vibrator Kit Battery Included Voltage 20.0 Shaft Length 48 In. Head Dia 1-1/8 In. No Load RPM 14 000 VPM Cordless Tool Battery Type Li-Ion Battery Included 21RV47 Battery Pack Replacement 21RV47 Battery Capacity 4Ah Length 48 In. Includes Pencil Vibrator Battery Charger