From f00b5a0c4b835a874b5eb65241f9b7e5615dc3f0 Mon Sep 17 00:00:00 2001
From: Maschga <88616799+Maschga@users.noreply.github.com>
Date: Tue, 16 Dec 2025 08:50:56 +0100
Subject: [PATCH] RCT: improve logging (#26033)

---
 meter/rct.go | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/meter/rct.go b/meter/rct.go
index 5d900a37c..9e78dbf11 100644
--- a/meter/rct.go
+++ b/meter/rct.go
@@ -141,7 +141,7 @@ func NewRCT(ctx context.Context, uri, usage string, batterySocLimits batterySocL
 
 				// see https://github.com/weltenwort/home-assistant-rct-power-integration/issues/264#issuecomment-2124811644
 				if batStatus != 0 {
-					return errors.New("invalid battery operating mode")
+					return fmt.Errorf("invalid battery operating mode: %d", batStatus)
 				}
 			}