diff --git a/system/hardware/power.nix b/system/hardware/power.nix
index 7eba3c4f..a765936d 100644
--- a/system/hardware/power.nix
+++ b/system/hardware/power.nix
@@ -25,7 +25,7 @@
       CPU_MIN_PERF_ON_AC = 0;
       CPU_MAX_PERF_ON_AC = 100;
       CPU_MIN_PERF_ON_BAT = 0;
-      CPU_MAX_PERF_ON_BAT = 50;
+      CPU_MAX_PERF_ON_BAT = 90;
     };
   };