diff --git a/systems/ASUS-G46VW/configuration.nix b/systems/ASUS-G46VW/configuration.nix
index afee803..4dba9dc 100644
--- a/systems/ASUS-G46VW/configuration.nix
+++ b/systems/ASUS-G46VW/configuration.nix
@@ -21,6 +21,14 @@
   boot.tmpOnTmpfs = true;
   boot.plymouth.enable = true;
 
+  services.tlp.enable = true;
+  services.tlp.extraConfig = ''
+    START_CHARGE_THRESH_BAT0=85
+    STOP_CHARGE_THRESH_BAT0=90
+    CPU_SCALING_GOVERNOR_ON_BAT=powersave
+    ENERGY_PERF_POLICY_ON_BAT=powersave
+  '';
+
   # NVIDIA
   services.xserver.videoDrivers = [ "nvidia" ];
   hardware.nvidia.optimus_prime.enable = true;
diff --git a/systems/common.nix b/systems/common.nix
index 69bec92..ba62922 100644
--- a/systems/common.nix
+++ b/systems/common.nix
@@ -79,7 +79,12 @@
     };
   };
 
-  environment.variables = { EDITOR = "nvim"; };
+  environment.variables = {
+    EDITOR = "nvim";
+    SPACESHIP_TIME_SHOW = "true";
+    SPACESHIP_BATTERY_THRESHOLD = "50";
+    SPACESHIP_EXIT_CODE_SHOW = "true";
+  };
 
   nix.gc.automatic = true;
   nix.gc.options = "--delete-older-than 15d";