If you turned off the battery cabinet switch or the emergency stop was triggered, your PWRcell 2 will not back up your home during an outage. Please call Generac at 1-855-842-5047 if that happens. . If your PWRcell 2 stops powering your home while in backup mode, it may be due to one of the following: The system enters sleep mode and waits for sunlight to begin recharging. The procedure for shutting down the system differs depending on the installed system. They seem to come on for a short period of time and then will shut off and no power light will. . Most industrial off-grid solar power sytems, such as those used in the oil & gas patch and in traffic control systems, use a battery or multiple batteries that need a place to live, sheltered from the elements and kept dry and secure. In this guide,we'll walk you through the benefits,risks,and best practices for installing your solar battery outdoors.