
In the event of an extended power outage, a car power inverter - also known as a vehicle inverter generator - can let drivers power household-style AC devices using their vehicle’s 12‑volt battery. These devices convert direct current (DC) from the battery into standard alternating current (AC) for appliances and electronics .How they workLower‑wattage inverters (typically up to ~150 W) plug into the vehicle's cigarette lighter or accessory port, whereas mid‑to‑high‑wattage units (500 W and above) usually connect directly to the battery with clamps or hardwiring. Internally, an inverter flips the DC output into AC via oscillation circuitry - producing either modified or pure sine wave output, with the latter preferred for sensitive electronics. Sine wave is the fund