Dc-dc Converter 9v-90v 84v 72v 60v 48v 36v To 12v 5v 3a Cc Cv Buck Step Down Constant Current Voltage Power Supply Module - Replacement Parts - AliExpress
TEL 3-0512 | Traco Power DC/DC-Wandler 4.5 ... 9V 12V 250mA 3W | Distrelec Deutschland
Amazon.com: Mini DC-DC 12-24V to 5V 3A Step Down Power Supply Module Voltage Buck Converter Adjustable 97.5% 1.8V 2.5V 3.3V 5V 9V 12V : Electronics
JZK Wasserdicht Spannungswandler 12 V auf 9 V 3A DC Stromwandler für Telefon Auto Audio Radio LED-Anzeige: Amazon.de: Elektronik & Foto
Magnolian High Efficiency DC/DC Converter 12V Step Down to 9V 2A 18W Power Supply Module,Waterproof