diff --git a/roles/nut_server/files/ups.conf b/roles/nut_server/files/ups.conf
index cfffe43..7cb6c39 100644
--- a/roles/nut_server/files/ups.conf
+++ b/roles/nut_server/files/ups.conf
@@ -2,4 +2,4 @@ maxretry = 3
 [eaton3s]
 driver=usbhid-ups
 port=auto
-default.battery.charge.low=10
+default.battery.charge.low=20