diff --git a/hosts/alice/tlp.nix b/hosts/alice/tlp.nix
index 9a31c6f..61d0e92 100644
--- a/hosts/alice/tlp.nix
+++ b/hosts/alice/tlp.nix
@@ -4,8 +4,10 @@ _: {
       enable = true;
 
       settings = let
-        start_charge = 40;
-        stop_charge = 60;
+        max_percent = 60;
+
+        start_charge = 100 - max_percent;
+        stop_charge = max_percent;
       in {
         START_CHARGE_THRESH_BAT0 = start_charge;
         STOP_CHARGE_THRESH_BAT0 = stop_charge;