Victron Energy Pre-Charge Cable - Safe, Spark-Free DC Start-Up Controlled Start-Up for Inverters, Chargers, and MPPTs The Victron Energy Pre-Charge Cable is designed to protect sensitive DC systems by pre-charging the internal capacitors of inverters, inverter/chargers, and MPPT solar charge controllers before the battery is connected. This ensures a smooth and controlled start-up, preventing dangerous arcing or sparking at the...