Newton is the force needed to accelerate 1 kg of mass at the rate of 1 m/sec². The battery working time specifications for each battery charge are estimates and may vary depending on how the tool is used and what is being cut.
The BGA 57 delivers powerful STIHL performance combined with great control and comfortable operation. This blower puts out 103 mph of average air velocity (123 MPH maximum air velocity) combined with 365 CFM for effective clearing of leaves and other yard debris. Weighing just 7.8 lbs (with AK 20 battery), the BGA 57 is compact and portable. A slim design and even weight distribution allow the blower to be held close to the user’s body, keeping fatigue to a minimum while maximizing maneuverability. Additional comfort features include a symmetrical trigger lockout that allows users to easily start the unit with either the left or right hand, a rubberized handle for comfortable grip, and a tube that easily adjusts to three lengths to suit different user heights. The BGA 57 has a run time up to 25 minutes on a single charge with the AK 20 battery*, making it an ideal choice for homeowners to care for their yard, deck, sidewalks, driveway and more. * Run time may vary based on battery type, charge level and capacity, model, operating style and conditions. Batteries and chargers can be purchased separately or as a combined set with tool.