The Hypastart OnBoard is an automatic start assist device that will provide assistance starting engines in adverse environments and or with depleted or flat start batteries. Hypastart OnBoard integrates and operates seamlessly with any vehicle. The unit connects to the battery terminals or engine start leads and is mounted externally on the vehicle or within the battery box. Hypastart OnBoard does require vehicle ACC signal to operate. Once Hypastart OnBoard is installed and powered on it will operate automatically, instantly and seamlessly during every engine start.