feat(juno): Added battery drain service (disabled by default)

1 files changed, 18 insertions, 0 deletions

diff --git a/machines/juno/configuration.nix b/machines/juno/configuration.nix
index 9e75d45..3799892 100644
--- a/machines/juno/configuration.nix
+++ b/machines/juno/configuration.nix
@@ -3,6 +3,24 @@
     thinkfan xorg.xf86inputsynaptics
   ];
 
+  # External third-party battery is no longer able to hold 100% charge without getting "stuck"
+  # Often this would result in an immediate shutdown, since there would be either a short or voltage surge
+  # My guess is the problem lies with the controller
+  # I've twice been able to rejuvenate it by just retrying and retrying to discharge it
+  # So, this service is here, if that happens again, it should be enabled and then on every bootup when charger is connected
+  # it will try to discharge battery, which will result in shutdown.
+  systemd.services.extdrain = {
+    enable = false;
+    wantedBy = [ "multi-user.target" ];
+    unitConfig = {
+      Type = "simple";
+    };
+    path = [ pkgs.tlp ];
+    serviceConfig = {
+      ExecStart = "${pkgs.tlp}/bin/tlp discharge BAT1";
+    };
+  };
+
   services.thinkfan = {
     enable = true;
     levels = [