DC 48V Step-down to 12V 30A 360W Waterproof DC Converter Regulator - Walmart.com
Amazon.com: Akozon Buck Converter DC-DC 12V/24V/36V/48V to 5V 3A Buck Converter Step Down Power Supply Module : Electronics
36V 48V to 12V 40A 480W DC DC Step Down Converter Voltage Regulator – Daygreen
Amazon.com: 12V to 48V DC Step Up Converter Boost DC-DC 9-15V to 48V Waterproof Module Transformer (2A 96W) : Electronics
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Amazon.com: XWST DC 12V Step up to 48V 8A 384W Converter Voltage Converter, 48Volt Regulator Waterproof DC/DC Boost Transformer Power Supply (12V to 48V 8A) : Electronics
Daygreen 12V 24V 36V to 48V 10A 480W DC DC Step Up Boost Converter, Non-Isolated : Electronics - Amazon.com
CUI 20W DC-DC Converter 48V (18-75V) to 12V 1.6A
72V to 48V 10A 480W DC DC Step Down Converter Voltage Regulator w/ACC – Daygreen
Voltage converter from 12V to 48V, 2A, 96W, IP68 | AMPUL.eu