25 Jul 5pcs Dual USB LM2596 5V 3A Voltage Step-down Buck Module 6-40V IN with Terminals
5pcs Dual USB LM2596 5V 3A Voltage Step-down Buck Module 6-40V IN with Terminals Turn any 6-40V DC power source into a 3A Dual USB charger Add charging ports to all kinds of electronic devices Screw terminal power input for easy install Output: 5V 3A...