This provides additional capacity for heavy duty pitching applications, It will power approximately 1000 pitches at 40 mph, or 600 pitches at 60 mph, Mounts on the standard tripod, protected and out of the way. Complete with charger and mounting bracket.
This product is eligible for FREE SHIPPING . Size: 8" x 4.5" x 7.5" - 11 pounds
Note: most users do not need the external battery.