diff --git a/src/DeviceBatteryInfo/Sources/Trust/TrustProtocol.cs b/src/DeviceBatteryInfo/Sources/Trust/TrustProtocol.cs
new file mode 100644
index 0000000..186f950
--- /dev/null
+++ b/src/DeviceBatteryInfo/Sources/Trust/TrustProtocol.cs
@@ -0,0 +1,18 @@
+internal sealed class TrustProtocol() : HidProtocol("Trust", vendorId: 0x145F, reportLength: 20)
+{
+    public override IReadOnlyList<HidDeviceInfo> Devices { get; } =
+    [
+        new("BAYO II", 0x031E),
+    ];
+
+    public override async Task<BatteryReading> ReadAsync(
+        HidChannel channel, HidDeviceInfo device, CancellationToken cancellationToken)
+    {
+        var response = await channel.ExchangeAsync(
+            request: BuildBatteryRequest(),
+            isComplete: r => r.Length > 4 && r[1] == 0x10,
+            cancellationToken);
+
+        return BatteryReading.FromPercent(response[4]);
+    }
+}