12v Products & Inverters

Frequently Asked Questions About 12v Products & Inverters

What can I actually run with a 12v inverter in my truck?

Most inverters in this category are designed to power small to mid-sized electronics such as laptops, CPAP machines, phone chargers, mini fridges, TVs, and other cab accessories. The devices you can run depend on the inverter's wattage rating, so check both the continuous and peak (surge) wattage against the power draw of whatever you plan to plug in.

How do I know what size inverter I need?

Add up the wattage requirements of the devices you intend to run at the same time, then choose an inverter with a continuous wattage rating that comfortably exceeds that total. It's also worth accounting for the startup surge some devices require, since motors and compressors can briefly draw more power than their running wattage.

Will this drain my truck's battery if I leave it plugged in?

Yes, any inverter or 12v accessory left connected and in use while the engine is off will draw down your battery over time. Many drivers use these products with the engine running or install a dedicated auxiliary battery system to avoid discharging the starting battery, especially for higher-draw devices used during extended rest periods.

Do these products require professional installation?

Many 12v products, like cigarette lighter style inverters or plug-in accessories, are simple enough to install yourself with no wiring needed. Hardwired inverters or higher-wattage systems that connect directly to the battery typically require basic electrical know-how, proper fusing, and correct gauge wiring, so some drivers prefer to have these installed by a qualified technician.

What's the difference between a modified sine wave and pure sine wave inverter?

A modified sine wave inverter produces a rougher electrical output that works fine for basic devices like fans or simple chargers, but it can cause issues with sensitive electronics. A pure sine wave inverter produces a cleaner, more stable output similar to household power, making it a better choice for laptops, medical equipment, and other devices that are sensitive to power fluctuations.