DOMETIC PORTABLE SOLAR PS180A The Dometic PS180A is a must-have for owners of portable fridges and other powered devices. The Dometic PS180A features highly efficient monocrystalline panels, which are more efficient in converting sunlight to usable energy and have a longer lifespan than other technologies. It has an inbuilt 20 A heavy duty voltage regulator and adjustable feet so that you can direct it towards the sun throughout the day. The Dometic PS180A also features a built-in battery temperature sensor, which measures the temperature of the battery and allows it to be safely charged, removing the risk of overcharging. The frame is constructed from strong aluminium.