To achieve effective grounding, connect your battery backup to a grounding rod or an existing electrical grounding system in your home. Connect a current-carrying conductor near the battery for effective grounding. Always follow local codes for safe. . In setting up a base station, placing an 8′ ground rod into the ground directly below the antenna is recommended. Add a second 1/4-20 nut to the clamp. It fits into smaller outdoor areas. 50 kWh Double Ground Mounted: A two-unit ground-mounted system is great for homes with a lot of outdoor space and high energy needs.