No, we cannot. We could make a Voyager 3, but I don't think there is any way to expect it to catch up with currently feasible technology. And it could only be

No, we cannot. We could make a Voyager 3, but I don't think there is any way to expect it to catch up with currently feasible technology. And it could only be launched at specific times. It certainly could have more advanced sensors and batteries. I don't know if the battery improvement would really matter on a decades long mission.