Best Seller | HQRP DC-DC Step Down Converter 12/24V to 5V 3A 15W with 2X USB-A Female Connector Power Supply Adapter Compatible with Solar Panel Car Charging Transformation Waterproof Voltage Regulator HQRP Power Converter with Open Wire Connector. Input: 12/24V DC. Output: 5V DC 3A 15W. Features: Over-current Over-load Low-load Short-circuit Over-heat intelligent protection. Waterproof anti-dust anti-shock protection and better heat dissipation.... more | | $12.90 $9.90 FREE shipping go to store |