automotive battery dc 12 volts transform to dc 24 volts 50 amperes 1200 watts boost converter
dc 12v to dc 24v 50a step-up transformer
step-up dc converter series,
input voltage dc 10-18 volts,
output voltage dc 24 volts 50 amperes,
size 300x127x63mm,
weight 2.6kg.

More product of DC 12V transform to DC 24V:
DC12V step-up to DC24V 3A,5A,8A,10A,15A,20A,30A,40A,50A,60A,70A,80A voltage transformer;

more dc/dc boost converter to select:
output power from 1w to 3000w;
output voltage from 2.5v to 72v;
output current from 50mA to 200A.