The SENIX CHX2 20 Volt Max* battery charger provides rapid charging in as little as 60 minutes. The charging indicator lights inform current charge status. For use with SENIX X2 batteries. All SENIX corded products are backed by our 3-year limited warranty for your peace of mind. *20 Volt Max* battery, maximum initial battery voltage (measured without a workload) is 20 volts. The nominal voltage is 18.