This 92 volt battery charger is a replacement charger for the one that comes with the now discontinued ProTeam FreeFlex battery powered upright vacuum (#107499). The charger is made to charge the 92V 3 amp lithium ion battery to a full charge in approximately 93 minutes to get you back up and running. Additional batteries and chargers are a great way to protect against downtime and allow you to always have a battery on hand. Comes with a 2 year warranty.