20 Max V (Maximum initial battery voltage (measured without a workload) is 20 volts. Nominal voltage is 18). Up to 130 MPH. (1)1.5Ah. lithium ion battery. Low noise design. Lightweight design at only 3.7 lbs. Specifications: Volts 20V max (Maximum initial battery voltage (measured without a workload); weight 3.7 lbs; max air speed up to 130 mph. 1 System. Endless tasks, Power for your style. Contains: LSW221 20V Max (Maximum initial battery voltage (measured without a workload) lithium ion cordless sweeper, (1) LBXR20 20V Max (Maximum initial battery voltage (measured without a workload) lithium ion battery, (1) charger and (1) blow tube. 2 yeas limited warranty. 30 Day money-back guarantee. Complies with UL/CSa/ANSI standard. Blackdecker.com. US and Canada 1-888-698-2571. International + 1-410-329-9200. EcoSmart: Ecosmart is our commitment to a sustainable future. Tool and accessories made in China. Battery cells made in Japan, South Korea, China or Malaysia with further processing in China. Charger made in China.