From e194f6d307c566760276705390151401833463f8 Mon Sep 17 00:00:00 2001
From: pelgraine <140762863+pelgraine@users.noreply.github.com>
Date: Sat, 7 Feb 2026 20:42:32 +1100
Subject: [PATCH] Fixed render battery indicator so it uses the same linear
 mapping for the UI as the BLE app

---
 examples/companion_radio/ui-new/UITask.cpp | 10 ++++------
 1 file changed, 4 insertions(+), 6 deletions(-)

diff --git a/examples/companion_radio/ui-new/UITask.cpp b/examples/companion_radio/ui-new/UITask.cpp
index d32c5ab7..8179c70a 100644
--- a/examples/companion_radio/ui-new/UITask.cpp
+++ b/examples/companion_radio/ui-new/UITask.cpp
@@ -103,12 +103,10 @@ class HomeScreen : public UIScreen {
   AdvertPath recent[UI_RECENT_LIST_SIZE];
 
 
-  void renderBatteryIndicator(DisplayDriver& display, uint16_t batteryMilliVolts) {
-    // Try to get accurate SOC from BQ27220 fuel gauge first
-    uint8_t batteryPercentage = board.getBatteryPercent();
-
-    // Fall back to voltage-based estimation if fuel gauge returns 0
-    if (batteryPercentage == 0 && batteryMilliVolts > 0) {
+void renderBatteryIndicator(DisplayDriver& display, uint16_t batteryMilliVolts) {
+    // Use voltage-based estimation to match BLE app readings
+    uint8_t batteryPercentage = 0;
+    if (batteryMilliVolts > 0) {
       const int minMilliVolts = 3000;
       const int maxMilliVolts = 4200;
       int pct = ((batteryMilliVolts - minMilliVolts) * 100) / (maxMilliVolts - minMilliVolts);