The new hi-power dc-dc converter in 2024 can easily build a power supply system ranging from 5KW to 50KW.
A single power supply is 5KW, and using two in parallel can achieve 10KW, while ten in parallel can reach an impressive 50KW.
600-1000 Vdc input,
50 Vdc output for 48V batteries
5kW each unit
Only 2 KG