Can I use the MiniBoostPRO inside my engine bay? Setec Customer Support December 13, 2021 04:28 The MiniBoostPRO cannot be used inside an engine bay as it is rated to IP20. Related articles Do I need to run the blue wire from my MiniBoostPRO back to my tow vehicle? Does the BatteryPlus35-II serve as a DC-DC charger? Is the MiniBoostPRO's housing electrically isolated?