Electrical Supplies
36V 48V to 12V 2A - 60A DC DC Converter Step Down Voltage Stabilizer Buck Regulator Module 48V-12V Transformer Car Power Supply(48V to 12V 50A)
Power Inverters Transformer
https://www.bizrate.co.uk/electricalsupplies/36v-48v-to-12v-2a-oid40261811467.html
