Single & Dual per charging ports for iPhone, Tablets, Laptops, Go-Pro & Devices requiring USB C with up to 100-Watts of output power, ASD Inc. Engineering  focused on Operational in Harsh Environments, starting with internal components, ruggedized enclosure materials & designs, protection for 28VDC in-power input mating connectors to achieve Max Advanced Power Delivery, reduced internal unit temperature, providing Fast -N- Safe Charging Power, backed by a Life Time Warranty.