diff --git a/.cspell/custom-dictionary-workspace.txt b/.cspell/custom-dictionary-workspace.txt
index bd9727686..84ddb33c3 100644
--- a/.cspell/custom-dictionary-workspace.txt
+++ b/.cspell/custom-dictionary-workspace.txt
@@ -232,7 +232,6 @@ hahistory
 hainterface
 halfhourly
 hanchu
-Hanchu
 hanchuess
 hanres
 HAOS
diff --git a/.gitignore b/.gitignore
index c7a38498a..da863beff 100644
--- a/.gitignore
+++ b/.gitignore
@@ -112,5 +112,8 @@ it
 # Runtime-generated manifest
 apps/predbat/manifest.yaml
 
+# Dev-deploy/standalone commit marker (see coverage/deploy, hass.py)
+apps/predbat/git_version.txt
+
 # Claude Code local worktrees
 .claude/worktrees/
diff --git a/apps/predbat/download.py b/apps/predbat/download.py
index c808bfb6d..8174a8e40 100644
--- a/apps/predbat/download.py
+++ b/apps/predbat/download.py
@@ -145,6 +145,40 @@ def remove_file_quietly(filepath):
         print("Warn: Failed to remove {}: {}".format(filepath, e))
 
 
+def read_deploy_git_version(this_path):
+    """
+    Read the git_version.txt marker, if present, written by a dev deploy
+    (coverage/deploy) or a standalone launch (hass.py) from a git checkout, so the
+    running code can show which commit is actually installed instead of just the
+    release tag baked into THIS_VERSION.
+
+    Args:
+        this_path (str): Directory to look for git_version.txt in, alongside predbat.py.
+    Returns:
+        str or None: The marker contents, or None if the file is absent or unreadable.
+    """
+    filepath = os.path.join(this_path, "git_version.txt")
+    try:
+        if os.path.exists(filepath):
+            with open(filepath, "r") as f:
+                return f.read().strip() or None
+    except Exception as e:
+        print("Warn: Failed to read git_version.txt: {}".format(e))
+    return None
+
+
+def clear_deploy_git_version(this_path):
+    """
+    Remove the git_version.txt dev marker after a real update has installed official
+    release files, so a stale commit marker from an earlier dev deploy doesn't linger
+    and get shown as the running version once it's no longer accurate.
+
+    Args:
+        this_path (str): Directory the marker lives in, alongside predbat.py.
+    """
+    remove_file_quietly(os.path.join(this_path, "git_version.txt"))
+
+
 def remove_staged_files(this_path, files, tag):
     """
     Remove staged files, used to clean up after an aborted update.
@@ -566,7 +600,9 @@ def predbat_update_move(version, files):
         for file in files:
             cmd += "mv -f {} {} && ".format(os.path.join(this_path, file + "." + tag), os.path.join(this_path, file))
         cmd += "echo 'Update complete'"
+        clear_deploy_git_version(this_path)
         os.system(cmd)
+
         return True
     return False
 
diff --git a/apps/predbat/github.py b/apps/predbat/github.py
index 3aa6795af..d164ca285 100644
--- a/apps/predbat/github.py
+++ b/apps/predbat/github.py
@@ -13,7 +13,7 @@
 from ha import run_async
 from download import DEFAULT_PREDBAT_REPOSITORY, resolve_predbat_repository
 from utils import dp1
-from predbat import THIS_VERSION
+from predbat import THIS_VERSION, THIS_VERSION_DISPLAY
 
 
 class GitHub:
@@ -152,7 +152,7 @@ def download_predbat_releases(self):
                     self.releases["latest_beta_body"] = release.get("body", "Unknown")
                     found_latest_beta = True
 
-            self.log("Predbat {} repository {} version {} currently running, latest version is {}, latest beta is {}".format(__file__, repository, self.releases["this"], self.releases["latest"], self.releases["latest_beta"]))
+            self.log("Predbat {} repository {} version {} currently running, latest version is {}, latest beta is {}".format(__file__, repository, THIS_VERSION_DISPLAY, self.releases["latest"], self.releases["latest_beta"]))
             PREDBAT_UPDATE_OPTIONS = ["main"]
             this_tag = THIS_VERSION
             new_version = False
diff --git a/apps/predbat/hass.py b/apps/predbat/hass.py
index 58d48479f..966449af6 100644
--- a/apps/predbat/hass.py
+++ b/apps/predbat/hass.py
@@ -10,13 +10,38 @@
 import yaml
 import sys
 import asyncio
+import os
+import subprocess
+
+
+def write_git_version_marker():
+    """
+    Best-effort: when running from a git checkout - directly, or via the symlinked
+    .py files that coverage/standalone_ha sets up for a live-HA dev run - record the
+    commit as git_version.txt next to this file (predbat.py resolves its own __file__
+    to the same directory) so predbat.py can show it instead of just the release tag.
+    Runs before predbat is imported, since that's when predbat.py reads the marker.
+    Silently does nothing if git isn't available or this isn't a checkout.
+    """
+    this_dir = os.path.dirname(os.path.abspath(__file__))
+    repo_dir = os.path.dirname(os.path.realpath(__file__))
+    try:
+        commit = subprocess.check_output(["git", "-C", repo_dir, "rev-parse", "--short", "HEAD"], stderr=subprocess.DEVNULL).decode().strip()
+        dirty = bool(subprocess.check_output(["git", "-C", repo_dir, "status", "--porcelain"], stderr=subprocess.DEVNULL).decode().strip())
+        with open(os.path.join(this_dir, "git_version.txt"), "w") as f:
+            f.write(commit + ("-dirty" if dirty else ""))
+    except Exception:
+        pass
+
+
+write_git_version_marker()
+
 import predbat
 import time
 from datetime import datetime, timedelta
 from multiprocessing import set_start_method
 import concurrent.futures
 import threading
-import os
 import traceback
 
 
diff --git a/apps/predbat/output.py b/apps/predbat/output.py
index 9aad580b5..e692682f1 100644
--- a/apps/predbat/output.py
+++ b/apps/predbat/output.py
@@ -19,8 +19,8 @@
 import math
 import copy
 from html import escape as escape_html
-from datetime import datetime, timedelta
-from config import THIS_VERSION
+from datetime import timedelta
+from predbat import THIS_VERSION_DISPLAY
 from const import TIME_FORMAT, PREDICT_STEP, EXPORT_LIMIT_FREEZE, EXPORT_LIMIT_IDLE, MINUTE_WATT
 from utils import dp0, dp1, dp2, dp3, calc_percent_limit, minute_data, minute_data_state, find_charge_rate
 from prediction import Prediction
@@ -2588,9 +2588,9 @@ def record_status(self, message, debug="", had_errors=False, notify=False, extra
                 "friendly_name": "Status",
                 "detail": extra,
                 "icon": "mdi:information",
-                "last_updated": str(datetime.now()),
+                "last_updated": self.now_utc_real.strftime(TIME_FORMAT),
                 "debug": debug,
-                "version": THIS_VERSION,
+                "version": THIS_VERSION_DISPLAY,
                 "error": (had_errors or self.had_errors),
                 "error_count": error_count,
             },
diff --git a/apps/predbat/predbat.py b/apps/predbat/predbat.py
index 63067c40c..1def99e20 100644
--- a/apps/predbat/predbat.py
+++ b/apps/predbat/predbat.py
@@ -36,12 +36,19 @@
 import asyncio
 
 THIS_VERSION = "v8.51.1"
+THIS_VERSION_DISPLAY = THIS_VERSION
 
-from download import predbat_update_move, predbat_update_download, check_install, DEFAULT_PREDBAT_REPOSITORY
+from download import predbat_update_move, predbat_update_download, check_install, read_deploy_git_version, DEFAULT_PREDBAT_REPOSITORY
 from const import MINUTE_WATT
 
 # Only do the self-install/self-update logic if we are NOT compiled.
 if not IS_COMPILED:
+    # Show the actual commit for a dev deploy (coverage/deploy) or standalone git
+    # checkout (hass.py) rather than just the release tag - see git_version.txt
+    git_version = read_deploy_git_version(os.path.dirname(__file__))
+    if git_version:
+        THIS_VERSION_DISPLAY = "{} ({})".format(THIS_VERSION, git_version)
+
     # Sanity check the install and re-download if corrupted
     passed, modified = check_install(THIS_VERSION, repository=DEFAULT_PREDBAT_REPOSITORY)
     if not passed:
@@ -53,7 +60,7 @@
     elif modified:
         print("Warn: Predbat files are installed but have modifications")
     else:
-        print("Predbat files are installed correctly for version {}".format(THIS_VERSION))
+        print("Predbat files are installed correctly for version {}".format(THIS_VERSION_DISPLAY))
 else:
     # In compiled mode, we skip the entire self-update logic
     print("Running in compiled mode; skipping local file checks and auto-update.")
@@ -1626,7 +1633,7 @@ def is_running(self):
             return False
 
         # Check if the last updated time is within the last 15 minutes
-        if (datetime.now() - predbat_last_updated).total_seconds() > 15 * 60:
+        if (datetime.now(timezone.utc) - predbat_last_updated).total_seconds() > 15 * 60:
             return False
         return True
 
diff --git a/apps/predbat/userinterface.py b/apps/predbat/userinterface.py
index b5977c424..ca950e8c6 100644
--- a/apps/predbat/userinterface.py
+++ b/apps/predbat/userinterface.py
@@ -30,7 +30,7 @@
     PREDBAT_MODE_MONITOR,
 )
 from config import CONFIG_API_OVERRIDE
-from predbat import THIS_VERSION
+from predbat import THIS_VERSION, THIS_VERSION_DISPLAY
 
 DEBUG_EXCLUDE_LIST = [
     "ha_interface",
@@ -817,7 +817,7 @@ def create_entity_list(self):
         """
 
         text = ""
-        text += "# Predbat Dashboard - {}\n".format(THIS_VERSION)
+        text += "# Predbat Dashboard - {}\n".format(THIS_VERSION_DISPLAY)
         text += "type: entities\n"
         text += "Title: Predbat\n"
         text += "entities:\n"
diff --git a/apps/predbat/web.py b/apps/predbat/web.py
index 6d6166ac0..57a53087b 100644
--- a/apps/predbat/web.py
+++ b/apps/predbat/web.py
@@ -71,7 +71,7 @@
 
 from utils import calc_percent_limit, str2time, dp0, dp2, dp4, format_time_ago, get_override_time_from_string, history_attribute, prune_today, mask_secret_args
 from const import TIME_FORMAT, TIME_FORMAT_DAILY, TIME_FORMAT_HA
-from predbat import THIS_VERSION
+from predbat import THIS_VERSION_DISPLAY
 from component_base import ComponentBase
 from config import APPS_SCHEMA
 from web_annual import AnnualPage
@@ -808,6 +808,11 @@ def get_status_html(self, version):
 
         status_entity = self.prefix + ".status"
         last_updated = self.get_state_wrapper(status_entity, attribute="last_updated", default=None)
+        if last_updated:
+            try:
+                last_updated = str2time(last_updated).replace(tzinfo=None, microsecond=0)
+            except (ValueError, TypeError) as e:
+                self.log("Warn: Failed to parse last_updated time {}: {}".format(last_updated, e))
         status = self.get_state_wrapper(status_entity, default="Unknown")
         detail = self.get_state_wrapper(status_entity, attribute="detail", default="")
         debug = self.get_state_wrapper(status_entity, attribute="debug", default="")
@@ -1607,7 +1612,7 @@ def get_header(self, title, refresh=0, codemirror=False):
         if self.base.update_pending:
             calculating = True
         self.update_success_timestamp()
-        return get_header_html(title, calculating, self.default_page, self.arg_errors, THIS_VERSION, self.get_battery_status_icon(), refresh, codemirror=codemirror)
+        return get_header_html(title, calculating, self.default_page, self.arg_errors, THIS_VERSION_DISPLAY, self.get_battery_status_icon(), refresh, codemirror=codemirror)
 
     def get_chart_series(self, name, results, chart_type, color):
         """
@@ -2831,7 +2836,7 @@ async def html_dash_content(self, request):
         """
         Return just the dashboard body content for AJAX refresh (preserves scroll position)
         """
-        text = self.get_status_html(THIS_VERSION)
+        text = self.get_status_html(THIS_VERSION_DISPLAY)
         return web.Response(content_type="text/html", text=text)
 
     async def html_dash(self, request):
@@ -2880,7 +2885,7 @@ async def html_dash(self, request):
 """
         text += "<body>\n"
         text += '<div id="dash-content-container">\n'
-        text += self.get_status_html(THIS_VERSION)
+        text += self.get_status_html(THIS_VERSION_DISPLAY)
         text += "</div>\n"
         text += "</body></html>\n"
         return web.Response(content_type="text/html", text=text)
diff --git a/coverage/deploy b/coverage/deploy
old mode 100644
new mode 100755
index 0f042ee55..0fbadd80a
--- a/coverage/deploy
+++ b/coverage/deploy
@@ -1,3 +1,8 @@
+GIT_HASH=$(git -C .. rev-parse --short HEAD)
+if [ -n "$(git -C .. status --porcelain)" ]; then
+  GIT_HASH="${GIT_HASH}-dirty"
+fi
+echo "$GIT_HASH" > /Volumes/addon_configs/6adb4f0d_predbat/git_version.txt
 cp ../apps/predbat/*.py /Volumes/addon_configs/6adb4f0d_predbat
 cp ../apps/predbat/*.proto /Volumes/addon_configs/6adb4f0d_predbat
 cp ../apps/predbat/*.so /Volumes/addon_configs/6adb4f0d_predbat