From f3ba16403c4237fd772dcb3ce22aa98afd1a0d1f Mon Sep 17 00:00:00 2001
From: Randy Mackay <rmackay9@yahoo.com>
Date: Fri, 12 Jan 2024 17:45:19 +0900
Subject: [PATCH] GCS_MAVLink: send battery soh as named value

---
 libraries/GCS_MAVLink/GCS_Common.cpp | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/libraries/GCS_MAVLink/GCS_Common.cpp b/libraries/GCS_MAVLink/GCS_Common.cpp
index a27eabd1dd71f..17f0e6053e218 100644
--- a/libraries/GCS_MAVLink/GCS_Common.cpp
+++ b/libraries/GCS_MAVLink/GCS_Common.cpp
@@ -356,6 +356,14 @@ void GCS_MAVLINK::send_battery_status(const uint8_t instance) const
                                     cell_mvolts_ext, // Cell 11..14 voltages
                                     0, // battery mode
                                     battery.get_mavlink_fault_bitmask(instance));   // fault_bitmask
+
+    // send state of health percentage if available
+    uint8_t batt_soh_pct;
+    if (battery.get_state_of_health_pct(instance, batt_soh_pct)) {
+        char name[12];
+        snprintf(name, sizeof(name), "BATT%u_SOH", instance);
+        send_named_float(name, batt_soh_pct);
+    }
 #else
     (void)instance;
 #endif