diff --git a/simpleAPI/simpleapi.php b/simpleAPI/simpleapi.php
index 6f7c446222..4f21b453f9 100644
--- a/simpleAPI/simpleapi.php
+++ b/simpleAPI/simpleapi.php
@@ -182,6 +182,7 @@ private function getWriteParameters($params)
             'max_price_eco',
             'chargepoint_lock',
             'bat_mode',
+            'bat_power_reserve',
             'instant_charging_limit',
             'instant_charging_amount',
             'instant_charging_soc',
@@ -503,6 +504,7 @@ private function isChargepointParameter($param)
             'max_price_eco',
             'chargepoint_lock',
             'bat_mode',
+            'bat_power_reserve',
             'instant_charging_limit',
             'instant_charging_amount',
             'instant_charging_soc',