理论上说对的。一台Tesla M3相当3* Power Walls. 然而你敢diy测试你的点子，the warranty will be voided.

Rivian也不行。

听说只有Ford F-150 lightning能做到：

The truck can also supply up to 9.6 kW of power through up to eleven 120V and 240V electrical outlets distributed around the truck. Those outlets can be used to charge other vehicles or itself. This electric truck has a standard battery and can travel 230 mi (370 km) on a single charge.