Featuring four fast charge bays, this Mach4 4-Position Charger with 4A Rapid Charge is the next generation of smart chargers from Core SWX. The Mach4 is capable of charging four V-mount batteries with a fast 4A charge. It can charge four 98Wh batteries in approximately 1.5 hours at a rate of 4A per hour, which utilizes half the power used by previous models.