12V 500KV High Voltage Pulse Generator Boost Step Up Power Module Transformer

40W DC AC Inverter Power Supply 12V to 220V Step Up Transformer Boost Module

Step‑Up Module 12V to 36V DC Voltage Converter Power Regulator Booster GYVRM

800-1000 KV Ultra High Voltage Pulse Inverter Arc Generator Ignition Coil Module

300W 12A Power Supply Module DC-DC CC CV Buck Converter Step-down Power Module

2Pcs High Voltage Generator DC 6-12V to 1000Kv Boost Step-Up Inverter Arc Pulse

2Pcs Simple External Circuit DC 3-6V 1-3A To 400kV Boost Step-Up Power Module]

2* DC12V-36V Battery Low Voltage Cut Off On Switch Controller Protection Module