Altronix power supplies / chargers are designed for converting input power signals into PTC protected outputs. They feature steel / phenolic / fibreglass construction for mechanical strength and corrosion resistance. The built-in charger has gel or sealed lead acid batteries and provides thermal overload & short circuit protection. These power supplies / chargers are capable of being operated at temperatures ranging from 0 to 49 degrees C and are available in grey & red finish variants.