Waymo presumably already has ways of modifying vehicles used for autonomous driving tech development, perhaps with big cheap batteries. But for a self driving

Waymo presumably already has ways of modifying vehicles used for autonomous driving tech development, perhaps with big cheap batteries. But for a self driving taxi service fleet, you wouldn't want your customers rolling around in vehicles with a big cheap truck battery bolted inside it. You need a battery that is well integrated into the vehicle, for safety and to optimize the customer experience.