Amazon.com: High Voltage DC DC 8-32V Boost Converter 12V to ±45V-390V ZVS Boost Module Capacitor Charging : Electronics
Amazon.com: High Voltage DC DC 8-32V Boost Converter 12V to ±45V-390V ZVS Boost Module Capacitor Charging : Electronics,DC Booster,1S DC-DC Booster,800W DC-DC Boost Converter Power Supply Step-up Module 12-80V to 12-80v,180W 50W 30W CC CV Adjsutable Charging Power Supply DC-DC Step Up Down Buck Boost Converter Voltage Regulator 10-70V to 2.5-58V - AliExpress