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.
Recent pricing trends show standard industrial systems (1-2MWh) starting at $330,000 and large-scale systems (3-6MWh) from $600,000, with volume discounts available for enterprise orders.