diff --git a/src/core.c b/src/core.c
index d0a4d9d5..3fe685d4 100644
--- a/src/core.c
+++ b/src/core.c
@@ -1070,7 +1070,7 @@ struct text_object *construct_text_object(const char *s, const char *arg, long
 		obj->callbacks.free = &gen_free_opaque;
 	END OBJ_ARG(smapi_bat_perc, 0, "smapi_bat_perc needs an argument")
 		obj->data.s = strndup(arg, text_buffer_size);
-		obj->callbacks.print = &print_smapi_bat_perc;
+		obj->callbacks.percentage = &smapi_bat_percentage;
 		obj->callbacks.free = &gen_free_opaque;
 	END OBJ_ARG(smapi_bat_temp, 0, "smapi_bat_temp needs an argument")
 		obj->data.s = strndup(arg, text_buffer_size);
diff --git a/src/smapi.c b/src/smapi.c
index 48cf9a72..a3817f74 100644
--- a/src/smapi.c
+++ b/src/smapi.c
@@ -137,15 +137,16 @@ void print_smapi(struct text_object *obj, char *p, int p_max_size)
 	free(s);
 }
 
-void print_smapi_bat_perc(struct text_object *obj, char *p, int p_max_size)
+uint8_t smapi_bat_percentage(struct text_object *obj)
 {
-	int idx, val;
+	int idx, val = 0;
 	if (obj->data.s && sscanf(obj->data.s, "%i", &idx) == 1) {
 		val = smapi_bat_installed(idx) ?
 			smapi_get_bat_int(idx, "remaining_percent") : 0;
-		percent_print(p, p_max_size, val);
 	} else
 		NORM_ERR("argument to smapi_bat_perc must be an integer");
+
+	return val;
 }
 
 void print_smapi_bat_temp(struct text_object *obj, char *p, int p_max_size)
diff --git a/src/smapi.h b/src/smapi.h
index c7a74e75..74a73578 100644
--- a/src/smapi.h
+++ b/src/smapi.h
@@ -37,7 +37,7 @@ int smapi_get_bat_int(int, const char *);
 char *smapi_get_bat_val(const char *);
 
 void print_smapi(struct text_object *, char *, int);
-void print_smapi_bat_perc(struct text_object *, char *, int);
+uint8_t smapi_bat_percentage(struct text_object *);
 void print_smapi_bat_temp(struct text_object *, char *, int);
 void print_smapi_bat_power(struct text_object *, char *, int);
 uint8_t smapi_bat_barval(struct text_object *);