Kindred isn’t alone. Zelectric, also in California, focuses on VW ­Beetles and Porsches that it goes on to sell from $100,000 to $300,000. The Ghost Garage in Michigan does Jeep Grand Wagoneers ($295,000). E.C.D. in Florida electrifies classic Land Rover Defenders, Range Rovers, and Jaguar E-Types ($225,000 to more than $400,000).