With 2.3 kWh of storage from the single Spark EV module, the battery pack can power [Ed]’s hotplate, lights, fridge, and other electric accessories while camping away from shore power.

The battery warranty ensures the battery pack — the most valuable component of the car — lasts for at least eight years or 100,000 miles without major malfunction.

The main advantage of cell-to-pack battery systems is energy density, as they can effectively increase the amount of energy per kilogram in an EV battery by double-digit percentages (possibly 20-30%).

A kilowatt-hour of usable EV battery capacity cost $139 in 2023, and using 2023 constant dollars, it was $1,415/kWh in 2008. That's a huge drop in battery cost.