Generally these machines have a rechargeable battery which is very efficient, and removes the potential danger of having a power cord laying across the diamond.
Compressed air provides the force that propels each baseball or whiffle ball, and can send it reeling at either 25 to 65 miles per hour. Most affordable pitching machines will also double as a catching or outfielders practice run device as they will usually be able to throw over 125 feet high. With the optional external battery pack, capacity is doubled to over 1200 pitches, getting the whole team in good shape!
The smaller youth baseball leagues need to consider finding as many tools of the sport that will allow the greatest opportunity for youngsters to learn properly and develop their skills as possible. To start with, you can find pitching machine models that weigh only thirty pounds, which are extremely portable and able to be lifted and moved even by the young team mates in the little league ball clubs.
The lightweight pitching machines are easy to move around, but their ability to throw a ball is not spared at all. Even the lightest affordable pitching machines will deliver a baseball at 54 miles per hour, and from a total distance of 60 feet.