Build high-voltage projects with the DIYMORE 3.7V Ignition Coil Booster Module, designed to step up power from a single 18650 lithium battery to up to 20KV high-voltage output. With an adjustable output, approximately 13–18mm discharge distance, and support for no-load operation, this compact module is useful for electronics experiments, high-voltage projects, pulse generators, and DIY power-supply applications. The sturdy 130 × 22 × 25mm design is easy to integrate into custom builds.
