A backup power supply, such as a solar generator, is necessary for off-road trips. Safety should always be the first priority whether you are out with friends, family, or especially alone. Your car breaking down in the middle of nowhere can be exhausting.
Yes, a WiFi MCB in China like the Tuya eWeLink App Smart Circuit Breaker (1P+N, 63A) can fully replace your traditional circuit breaker without requiring any rewiring — as long as your existing electrical panel has compatible physical dimensions and load capacity.