Polar Fox APU

Prepare for cold-weather storage and charging using the requirements of your exact battery model.

Reduce cab heat gain and use your installed cooling system more effectively during parked rest.

List overnight loads and estimate energy use to make an APU quote more accurate.

Understand charging, external power availability and equipment compatibility before adding shore power.

Plan how stored energy is replaced between stops and learn the signs of normal charging.

Compare usable capacity, charging requirements, fit and ownership rather than battery labels alone.

Understand starting power, auxiliary loads and reserve protection before choosing truck batteries.

Compare electrical architecture, compatibility and usable energy before choosing an APU voltage.