If you want something more powerful than a fan or portable AC unit but less expensive than installing central air, a window ...

We’re still seeing massive air conditioner savings of almost 50% on Amazon, Wayfair, and Lowe’s—just in time for summer.

Instead, that battery can be topped up by the bigger traction battery while driving, thanks to a DC-to-AC converter. That also allows the 12-volt battery to be topped up when the big battery is ...