DC 4.5-40V To 5V 2A USB Charger DC-DC Step-down Buck Converter
$24.73
$47.73
Features : The voltmeter has an automatic calibration function. With reverse connection protection. With overheat protection and short circuit protection. High efficiency and low ripple. With USB power indicator light. Application: Cars and Electric Bikes Motorcycle for voltage measurement and to charge the phone iPads, Mobile Phones Mp3 Devices
