SnoMaster Energy Saving Tips for your fridge freezer. Snomaster 4×4 Fridge Freezers. When we are camping off grid it is always important that we use the available power we have, be it from a deep cycle battery or other sources, as wisely as we possibly can .There is nothing worse than having a fridge freezer … Continue reading SnoMaster Energy Saving Tips for your fridge freezer. Tips for using a portable fridge freezer. Snomaster 4×4 Fridge Freezers