diff --git a/Content.Server/Medical/DefibrillatorSystem.cs b/Content.Server/Medical/DefibrillatorSystem.cs
index d2dde73b5f..2beb0fe1d5 100644
--- a/Content.Server/Medical/DefibrillatorSystem.cs
+++ b/Content.Server/Medical/DefibrillatorSystem.cs
@@ -56,7 +56,10 @@ public sealed class DefibrillatorSystem : EntitySystem
 
     private void OnUnpaused(EntityUid uid, DefibrillatorComponent component, ref EntityUnpausedEvent args)
     {
-        component.NextZapTime += args.PausedTime;
+        if (component.NextZapTime == null)
+            return;
+
+        component.NextZapTime = component.NextZapTime.Value + args.PausedTime;
     }
 
     private void OnUseInHand(EntityUid uid, DefibrillatorComponent component, UseInHandEvent args)
@@ -115,7 +118,7 @@ public sealed class DefibrillatorSystem : EntitySystem
         if (component.Enabled)
             return false;
 
-        if (_powerCell.HasActivatableCharge(uid))
+        if (!_powerCell.HasActivatableCharge(uid))
             return false;
 
         component.Enabled = true;
@@ -248,10 +251,12 @@ public sealed class DefibrillatorSystem : EntitySystem
         var query = EntityQueryEnumerator<DefibrillatorComponent>();
         while (query.MoveNext(out var uid, out var defib))
         {
-            if (_timing.CurTime < defib.NextZapTime)
+            if (defib.NextZapTime == null || _timing.CurTime < defib.NextZapTime)
                 continue;
+
             _audio.PlayPvs(defib.ReadySound, uid);
             _appearance.SetData(uid, DefibrillatorVisuals.Ready, true);
+            defib.NextZapTime = null;
         }
     }
 }
diff --git a/Content.Shared/Medical/DefibrillatorComponent.cs b/Content.Shared/Medical/DefibrillatorComponent.cs
index 05652cb3ed..983c63bc14 100644
--- a/Content.Shared/Medical/DefibrillatorComponent.cs
+++ b/Content.Shared/Medical/DefibrillatorComponent.cs
@@ -24,7 +24,7 @@ public sealed class DefibrillatorComponent : Component
     /// The time at which the zap cooldown will be completed
     /// </summary>
     [DataField("nextZapTime", customTypeSerializer: typeof(TimeOffsetSerializer)), ViewVariables(VVAccess.ReadWrite)]
-    public TimeSpan NextZapTime = TimeSpan.Zero;
+    public TimeSpan? NextZapTime;
 
     /// <summary>
     /// The minimum time between zaps
@@ -62,29 +62,29 @@ public sealed class DefibrillatorComponent : Component
     /// <summary>
     /// The sound when someone is zapped.
     /// </summary>
-    [DataField("zapSound")]
-    public SoundSpecifier? ZapSound;
+    [ViewVariables(VVAccess.ReadWrite), DataField("zapSound")]
+    public SoundSpecifier? ZapSound = new SoundPathSpecifier("/Audio/Items/Defib/defib_zap.ogg");
 
     /// <summary>
     /// The sound when the defib is powered on.
     /// </summary>
-    [DataField("powerOnSound")]
-    public SoundSpecifier? PowerOnSound;
+    [ViewVariables(VVAccess.ReadWrite), DataField("powerOnSound")]
+    public SoundSpecifier? PowerOnSound = new SoundPathSpecifier("/Audio/Items/Defib/defib_safety_on.ogg");
 
-    [DataField("powerOffSound")]
-    public SoundSpecifier? PowerOffSound;
+    [ViewVariables(VVAccess.ReadWrite), DataField("powerOffSound")]
+    public SoundSpecifier? PowerOffSound = new SoundPathSpecifier("/Audio/Items/Defib/defib_safety_off.ogg");
 
-    [DataField("chargeSound")]
-    public SoundSpecifier? ChargeSound;
+    [ViewVariables(VVAccess.ReadWrite), DataField("chargeSound")]
+    public SoundSpecifier? ChargeSound = new SoundPathSpecifier("/Audio/Items/Defib/defib_charge.ogg");
 
-    [DataField("failureSound")]
-    public SoundSpecifier? FailureSound;
+    [ViewVariables(VVAccess.ReadWrite), DataField("failureSound")]
+    public SoundSpecifier? FailureSound = new SoundPathSpecifier("/Audio/Items/Defib/defib_failed.ogg");
 
-    [DataField("successSound")]
-    public SoundSpecifier? SuccessSound;
+    [ViewVariables(VVAccess.ReadWrite), DataField("successSound")]
+    public SoundSpecifier? SuccessSound = new SoundPathSpecifier("/Audio/Items/Defib/defib_success.ogg");
 
-    [DataField("readySound")]
-    public SoundSpecifier? ReadySound;
+    [ViewVariables(VVAccess.ReadWrite), DataField("readySound")]
+    public SoundSpecifier? ReadySound = new SoundPathSpecifier("/Audio/Items/Defib/defib_ready.ogg");
 }
 
 [Serializable, NetSerializable]
diff --git a/Resources/Audio/Items/Defib/defib_saftyOff.ogg b/Resources/Audio/Items/Defib/defib_safety_off.ogg
similarity index 100%
rename from Resources/Audio/Items/Defib/defib_saftyOff.ogg
rename to Resources/Audio/Items/Defib/defib_safety_off.ogg
diff --git a/Resources/Audio/Items/Defib/defib_SaftyOn.ogg b/Resources/Audio/Items/Defib/defib_safety_on.ogg
similarity index 100%
rename from Resources/Audio/Items/Defib/defib_SaftyOn.ogg
rename to Resources/Audio/Items/Defib/defib_safety_on.ogg
diff --git a/Resources/Prototypes/Entities/Objects/Specific/Medical/defib.yml b/Resources/Prototypes/Entities/Objects/Specific/Medical/defib.yml
index 16e3fa7a22..09367a5ad6 100644
--- a/Resources/Prototypes/Entities/Objects/Specific/Medical/defib.yml
+++ b/Resources/Prototypes/Entities/Objects/Specific/Medical/defib.yml
@@ -34,20 +34,6 @@
     zapHeal:
       types:
         Asphyxiation: -40
-    zapSound:
-      path: /Audio/Items/Defib/defib_zap.ogg
-    powerOnSound:
-      path: /Audio/Items/Defib/defib_SaftyOn.ogg
-    powerOffSound:
-      path: /Audio/Items/Defib/defib_saftyOff.ogg
-    chargeSound:
-      path: /Audio/Items/Defib/defib_charge.ogg
-    failureSound:
-      path: /Audio/Items/Defib/defib_failed.ogg
-    successSound:
-      path: /Audio/Items/Defib/defib_success.ogg
-    readySound:
-      path: /Audio/Items/Defib/defib_ready.ogg
   - type: PowerCellDraw
     useRate: 100
   - type: Appearance
@@ -64,4 +50,4 @@
   - type: ItemSlots
     slots:
       cell_slot:
-        name: power-cell-slot-component-slot-name-default 
+        name: power-cell-slot-component-slot-name-default