diff --git a/Software/MainBoard/rust/src/hal/battery.rs b/Software/MainBoard/rust/src/hal/battery.rs
index 8de40c4..d723fb9 100644
--- a/Software/MainBoard/rust/src/hal/battery.rs
+++ b/Software/MainBoard/rust/src/hal/battery.rs
@@ -18,7 +18,7 @@ pub trait BatteryInteraction {
     async fn reset(&mut self) -> FatResult<()>;
 }
 
-#[derive(Debug, Serialize)]
+#[derive(Debug, Serialize, Copy, Clone)]
 pub struct BatteryInfo {
     pub voltage_milli_volt: u32,
     pub average_current_milli_ampere: i32,
diff --git a/Software/MainBoard/rust/src/hal/v4_hal.rs b/Software/MainBoard/rust/src/hal/v4_hal.rs
index 6d82f4f..ff8d87c 100644
--- a/Software/MainBoard/rust/src/hal/v4_hal.rs
+++ b/Software/MainBoard/rust/src/hal/v4_hal.rs
@@ -358,6 +358,7 @@ impl<'a> BoardInteraction<'a> for V4<'a> {
     }
     async fn measure_moisture_hz(&mut self) -> FatResult<Moistures> {
         self.can_power.set_high();
+        Timer::after_millis(1000).await;
         let config = self.twai_config.take().expect("twai config not set");
         let mut twai = config.into_async().start();
 
@@ -377,6 +378,7 @@ impl<'a> BoardInteraction<'a> for V4<'a> {
 
     async fn detect_sensors(&mut self, request: Detection) -> FatResult<Detection> {
         self.can_power.set_high();
+        Timer::after_millis(1000).await;
         let config = self.twai_config.take().expect("twai config not set");
         let mut twai = config.into_async().start();
 
@@ -409,7 +411,7 @@ impl<'a> BoardInteraction<'a> for V4<'a> {
                     // Try a few times; we intentionally ignore rx here and rely on stub logic
                     let resu = twai
                         .transmit_async(&frame)
-                        .with_timeout(Duration::from_millis(3000))
+                        .with_timeout(Duration::from_millis(500))
                         .await;
                     match resu {
                         Ok(_) => {}
diff --git a/Software/MainBoard/rust/src/main.rs b/Software/MainBoard/rust/src/main.rs
index a7d02f6..af2942f 100644
--- a/Software/MainBoard/rust/src/main.rs
+++ b/Software/MainBoard/rust/src/main.rs
@@ -530,13 +530,22 @@ async fn safe_main(spawner: Spawner) -> FatResult<()> {
             board.board_hal.get_config().night_lamp.night_lamp_hour_end,
         );
 
-        if state_of_charge < board.board_hal.get_config().night_lamp.low_soc_cutoff {
-            board.board_hal.get_esp().set_low_voltage_in_cycle();
-            info!("Set low voltage in cycle");
-        } else if state_of_charge > board.board_hal.get_config().night_lamp.low_soc_restore {
-            board.board_hal.get_esp().clear_low_voltage_in_cycle();
-            info!("Clear low voltage in cycle");
+        match battery_state {
+            BatteryState::Unknown => {
+                light_state.battery_low = false;
+            },
+            BatteryState::Info(data) => {
+                if data.state_of_charge < board.board_hal.get_config().night_lamp.low_soc_cutoff {
+                    board.board_hal.get_esp().set_low_voltage_in_cycle();
+                    info!("Set low voltage in cycle");
+                }
+                if data.state_of_charge > board.board_hal.get_config().night_lamp.low_soc_restore {
+                    board.board_hal.get_esp().clear_low_voltage_in_cycle();
+                    info!("Clear low voltage in cycle");
+                }
+            }
         }
+
         light_state.battery_low = board.board_hal.get_esp().low_voltage_in_cycle();
 
         if !light_state.out_of_work_hour {
@@ -583,7 +592,7 @@ async fn safe_main(spawner: Spawner) -> FatResult<()> {
 
     let deep_sleep_duration_minutes: u32 =
         // if battery soc is unknown assume battery has enough change
-        if state_of_charge < 10 && !matches!(battery_state, BatteryState::Unknown) {
+        if matches!(battery_state, BatteryState::Info(data) if data.state_of_charge < 10) {
             let _ = board
                 .board_hal
                 .get_esp()
@@ -1002,7 +1011,65 @@ async fn wait_infinity(
     let mut pattern_step = 0;
     let serial_config_receive = AtomicBool::new(false);
     let mut suppress_further_mppt_error = false;
+
+    // Long-press exit (for webserver config modes): hold boot button for 5 seconds.
+    let mut exit_hold_started: Option<Instant> = None;
+    let exit_hold_duration = Duration::from_secs(5);
+    let mut exit_hold_blink = false;
     loop {
+        // While in config webserver mode, allow exiting via long-press.
+        if matches!(wait_type, WaitType::MissingConfig | WaitType::ConfigButton) {
+            let mut board = BOARD_ACCESS.get().await.lock().await;
+            let pressed = board.board_hal.get_esp().mode_override_pressed();
+
+            match (pressed, exit_hold_started) {
+                (true, None) => {
+                    exit_hold_started = Some(Instant::now());
+                    PROGRESS_ACTIVE.store(true, Ordering::Relaxed);
+                }
+                (false, Some(_)) => {
+                    exit_hold_started = None;
+                    // Clear any interim hold display.
+                    board.board_hal.clear_progress().await;
+                }
+                _ => {}
+            }
+
+            if let Some(started) = exit_hold_started {
+                let elapsed = Instant::now() - started;
+                // Visible countdown: fill LEDs progressively during the hold.
+                // Also toggle general fault LED to match the "enter config" visibility.
+                exit_hold_blink = !exit_hold_blink;
+
+                let progress = core::cmp::min(elapsed, exit_hold_duration);
+                let lit = ((progress.as_millis() as u64 * 8) / exit_hold_duration.as_millis() as u64)
+                    .saturating_add(1)
+                    .min(8) as usize;
+
+                for i in 0..8 {
+                    let _ = board.board_hal.fault(i, i < lit).await;
+                }
+                board.board_hal.general_fault(exit_hold_blink).await;
+
+                if elapsed >= exit_hold_duration {
+                    info!("Exiting config mode due to 5s button hold");
+                    board.board_hal.get_esp().set_restart_to_conf(false);
+                    // ensure clean http answer / visible confirmation
+                    Timer::after_millis(500).await;
+                    board.board_hal
+                        .deep_sleep(0)
+                        .await;
+                }
+
+                // Short tick while holding so the pattern updates smoothly.
+                drop(board);
+                Timer::after_millis(100).await;
+                continue;
+            }
+            // Release lock and continue with normal wait blinking.
+            drop(board);
+        }
+
         {
             let mut board = BOARD_ACCESS.get().await.lock().await;
             match update_charge_indicator(&mut board).await {