Pow3r: stage 1 (#4208)

Co-authored-by: 20kdc <asdd2808@gmail.com>

Content.Server/Power/Components/BatteryChargerComponent.cs

@@ -0,0 +1,24 @@
+using Content.Server.Power.NodeGroups;
+using Robust.Shared.GameObjects;
+
+namespace Content.Server.Power.Components
+{
+    /// <summary>
+    ///     Connects the loading side of a <see cref="BatteryComponent"/> to a non-APC power network.
+    /// </summary>
+    [RegisterComponent]
+    public class BatteryChargerComponent : BasePowerNetComponent
+    {
+        public override string Name => "BatteryCharger";
+
+        protected override void AddSelfToNet(IPowerNet net)
+        {
+            net.AddCharger(this);
+        }
+
+        protected override void RemoveSelfFromNet(IPowerNet net)
+        {
+            net.RemoveCharger(this);
+        }
+    }
+}