Hartland, Wis. — Batteries Plus, the nation’s largest and fastest-growing battery, light bulb, key fob and phone repair franchise, worked hand-in-hand with seven new franchise owners, as well as two existing, to open a total of nine new locations in third quarter. This is in addition to the nine new franchise signings the brand has been able to amass since July. As a whole, these most recent developments put Batteries Plus at 50 signed agreements for the year thus far, primarily at the hands of the 46 new franchisees that …