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Electronic Circuits, Transformerless Power Supply, LED Drivers, Battery chargers, Solar Circuits: charge a 48volt battery bank from 12v battery or solar panel
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RCNUN High Efficiency 12V 48V 15 Amp Step Up DC to DC Power Converter 12V to 48V 10A DC DC Boost Voltage Regulator|dc power converter|12v to 48v10a boost - AliExpress
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