diff --git a/src/device/preview/preview-fixtures.ts b/src/device/preview/preview-fixtures.ts
index b0d74d87..a30d5061 100644
--- a/src/device/preview/preview-fixtures.ts
+++ b/src/device/preview/preview-fixtures.ts
@@ -343,6 +343,37 @@ const ATTACKSHARK: MouseStatus = {
   firmware: ["Mouse 1.0.4", "Dongle 1.0.3"],
 };
 
+/**
+ * The Cosmic Byte Kilonova 3335IC through its receiver (SinoWealth
+ * `258a:002f`), browser transport: identity, battery, link, and read-only DPI.
+ * The driver refuses writes until the full bank is decoded, so the shell shows
+ * DPI read-out but no settings cards.
+ */
+const KILONOVA: MouseStatus = {
+  brand: "Cosmic Byte" as MouseStatus["brand"],
+  name: "Cosmic Byte Kilonova 3335IC",
+  ui: {
+    family: "sinowealth-kilonova-3335ic",
+    settingsReady: false,
+    valuesVerified: true,
+    forceShowBattery: true,
+    hideProcessingCard: true,
+    defaultDisplayName: "Cosmic Byte Kilonova 3335IC",
+    statusNote: "OpenMouse reads this Cosmic Byte Kilonova 3335IC's DPI from its onboard memory; other settings are not decoded and changes are refused. The battery and awake check need OpenMouse Bridge.",
+  },
+  batteryPercent: null,
+  batteryState: "Unknown",
+  dpi: 1600,
+  dpiStages: [400, 800, 1600, 3200, 6400, 16000],
+  activeDpiStage: 2,
+  pollingRateHz: 0,
+  activeProfile: null,
+  connectionType: "Wireless",
+  connectionDetail: "2.4 GHz receiver",
+  liftOffDistance: null,
+  firmware: [],
+};
+
 const M3K: MouseStatus = {
   brand: "Zaunkoenig" as MouseStatus["brand"],
   name: "Zaunkoenig M3K",
@@ -1086,6 +1117,7 @@ export const PREVIEW_FIXTURES: Record<FixturePreviewMode, PreviewFixture> = {
   wlmouse: { label: "WLMouse BEAST X", status: WLMOUSE },
   lamzu: { label: "Lamzu Atlantis OG V2", status: LAMZU },
   "attack-shark": { label: "Attack Shark R5 Ultra", status: ATTACKSHARK },
+  kilonova: { label: "Cosmic Byte Kilonova 3335IC", status: KILONOVA },
   crdrako: { label: "CRDRAKO KO-ONE", status: CRDRAKO },
   m3k: { label: "Zaunkoenig M3K", status: M3K },
   atk: { label: "ATK A9 Ultra", status: ATK },
diff --git a/src/device/preview/preview-modes.ts b/src/device/preview/preview-modes.ts
index cea4d4d5..43011eaf 100644
--- a/src/device/preview/preview-modes.ts
+++ b/src/device/preview/preview-modes.ts
@@ -20,6 +20,7 @@ export const PREVIEW_KEYS = [
   "wlmouse",
   "lamzu",
   "attack-shark",
+  "kilonova",
   "crdrako",
   "m3k",
   "atk",
@@ -74,6 +75,7 @@ export function parsePreviewMode(value: string | null): PreviewMode | null {
     case "wlmouse": return "wlmouse";
     case "lamzu": return "lamzu";
     case "attack-shark": return "attack-shark";
+    case "kilonova": return "kilonova";
     case "crdrako": return "crdrako";
     case "m3k": return "m3k";
     case "atk": return "atk";
diff --git a/src/features/devices/DeviceHero.tsx b/src/features/devices/DeviceHero.tsx
index 37e080fd..eb294d1c 100644
--- a/src/features/devices/DeviceHero.tsx
+++ b/src/features/devices/DeviceHero.tsx
@@ -159,6 +159,8 @@ export function CurrentSetupPanel({ snapshot }: { snapshot: ControlSnapshot }):
       unit: "%",
       sub: displayText(locale, status.batteryState),
     });
+  } else if (status.ui?.forceShowBattery === true) {
+    figures.push({ key: "battery", label: t(locale, "ov.batteryLabel"), value: "–" });
   }
   if (status.activeProfile != null) {
     figures.push({ key: "profile", label: t(locale, "ov.onboardProfile"), value: String(status.activeProfile) });
diff --git a/src/features/devices/DeviceStats.tsx b/src/features/devices/DeviceStats.tsx
index 1552cf09..cc77b77d 100644
--- a/src/features/devices/DeviceStats.tsx
+++ b/src/features/devices/DeviceStats.tsx
@@ -41,6 +41,11 @@ export function DeviceStats({
           <b>{status.batteryPercent}%</b>
           {estimate && full ? <span className="om-muted">{estimate.time}</span> : null}
         </span>
+      ) : status.ui?.forceShowBattery === true ? (
+        <span className="om-stat">
+          <BatteryIcon percent={null} state={status.batteryState} />
+          <span className="om-muted">{"–"}</span>
+        </span>
       ) : null}
       {status.pollingRateHz > 0 ? (
         <span className="om-stat">