Grundgerüst für ein SE Script...

Scaffolding.cs

        public void Main(string argument)
        {
            var groups = new List<IMyBlockGroup>();
            GridTerminalSystem.GetBlockGroups(groups, selector => selector.Name.EndsWith("#Battery"));

            foreach (var g in groups)
            {
                List<IMyReactor> reactors = new List<IMyReactor>();
                g.GetBlocksOfType(reactors);

                List<IMyBatteryBlock> batteries = new List<IMyBatteryBlock>();
                g.GetBlocksOfType(batteries);

                foreach (var reactor in reactors)
                {
                    // Durchlaufen der Reaktoren

                    
                }

                foreach (var battery in batteries)
                {
                    // Durchlaufen der Batterien
                }
            }
        }