diff --git a/src/mvt/android/artifacts/dumpsys_battery_daily.py b/src/mvt/android/artifacts/dumpsys_battery_daily.py
index 2ccb6b70..905b4e18 100644
--- a/src/mvt/android/artifacts/dumpsys_battery_daily.py
+++ b/src/mvt/android/artifacts/dumpsys_battery_daily.py
@@ -73,8 +73,12 @@ class DumpsysBatteryDailyArtifact(AndroidArtifact):
                 continue
 
             line = line.strip().replace("Update ", "")
-            package_name, vers = line.split(" ", 1)
-            vers_raw = vers.split("=", 1)[1]
+            # A truncated or vendor-specific line must not abort the parse and
+            # lose every record after it.
+            package_name, _, vers = line.partition(" ")
+            vers_raw = vers.partition("=")[2]
+            if not package_name or not vers_raw:
+                continue
             try:
                 version_code: int | str = int(vers_raw)
             except ValueError:
diff --git a/tests/android/test_artifact_dumpsys_battery_daily.py b/tests/android/test_artifact_dumpsys_battery_daily.py
index 5f7f997c..d232d219 100644
--- a/tests/android/test_artifact_dumpsys_battery_daily.py
+++ b/tests/android/test_artifact_dumpsys_battery_daily.py
@@ -144,3 +144,18 @@ class TestDumpsysBatteryDailyArtifact:
             "Detected uninstall of package com.example.app (vers 0)"
         )
         assert uninstall_alert.event_time == "2026-01-10"
+
+    def test_malformed_update_line_does_not_lose_later_records(self):
+        # A truncated "Update" line, or one from a vendor that omits "vers=",
+        # used to raise out of parse() and lose every record after it.
+        dba = DumpsysBatteryDailyArtifact()
+        dba.parse(
+            "  Daily from 2021-05-10-08-00-00 to 2021-05-11-08-00-00:\n"
+            "    Update com.first vers=1\n"
+            "    Update com.truncated\n"
+            "    Update com.no.equals vers 2\n"
+            "    Update com.last vers=3\n"
+        )
+
+        assert [r["package_name"] for r in dba.results] == ["com.first", "com.last"]
+        assert [r["version_code"] for r in dba.results] == [1, 3]