Have you ever noticed that car battery just stands out more than the other well i got a little suggestion * Working electricity or homemade generator (so with that addition that can open a broad spectrum of items and accessories) *Lamps  *Heater (to get you warmed up faster inside) * Working Microwave(for small foods like beef jerky or soup) *Actual generate and refillable with that jerry can or kerosene can _____________________________________________________________ *Paper Money