Current models of battery electric vehicles (BEV) typically have a battery capacity of 40 to 66 kilowatt hour (kWh). Some models have a capacity up to 100 kWh, making them four to seven times larger than a residential home battery. Using BEVs as a backup power source is currently not market-ready but is expected to. .
To prepare for a PG&E power shutoff when the lights go out and you do not have disposable batteries, consider a hand crank lantern which will mechanically charge a battery. Costs. .
Diesel generators have been the traditional solution for backup power for homes and buildings and typically cost between $6,000 to $8,000 for a system similar in size to a battery.
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