diff --git a/configs/i3.nix b/configs/i3.nix
index 052b0be..1ab5f13 100644
--- a/configs/i3.nix
+++ b/configs/i3.nix
@@ -64,6 +64,7 @@ in with config.niveum; {
         statusCommand = "${pkgs.unstable.i3status-rust}/bin/i3status-rs ${pkgs.writeText "i3status-rust.toml" (
           import <dot/i3status-rust.nix> {
             wifi-interface = networkInterfaces.wireless;
+            batteryBlock = batteryBlocks.default;
             inherit (config.niveum) colours;
           }
         )}";
diff --git a/dot/i3status-rust.nix b/dot/i3status-rust.nix
index 60dc6b5..0dcec74 100644
--- a/dot/i3status-rust.nix
+++ b/dot/i3status-rust.nix
@@ -1,4 +1,4 @@
-{ wifi-interface, colours }: ''
+{ wifi-interface, colours, batteryBlock }: ''
   [theme]
   name = "plain"
   [theme.overrides]
@@ -56,6 +56,7 @@
 
   [[block]]
   block = "battery"
+  device = "${batteryBlock}"
   show = "both"
 
   [[block]]
diff --git a/modules/constants.nix b/modules/constants.nix
index 7b100fa..213bad8 100644
--- a/modules/constants.nix
+++ b/modules/constants.nix
@@ -66,6 +66,8 @@ in {
 
     networkInterfaces.wireless = mkOption { type = types.str; };
 
+    batteryBlocks.default = mkOption { type = types.str; };
+
     promptColours =
     let colours16 = types.enum [ "black" "red" "green" "yellow" "blue" "magenta" "cyan" "white" ];
     in {
diff --git a/systems/homeros/configuration.nix b/systems/homeros/configuration.nix
index 2930e23..e6c6a46 100644
--- a/systems/homeros/configuration.nix
+++ b/systems/homeros/configuration.nix
@@ -10,6 +10,7 @@
   environment.systemPackages = [ pkgs.unstable.zeroad pkgs.minecraft ];
 
   niveum = {
+    batteryBlocks.default = "BAT1";
     networkInterfaces.wireless = "wlp3s0";
     promptColours.success = "green";
   };
diff --git a/systems/wilde/configuration.nix b/systems/wilde/configuration.nix
index 39376c6..f73a85a 100644
--- a/systems/wilde/configuration.nix
+++ b/systems/wilde/configuration.nix
@@ -8,6 +8,7 @@
   ];
 
   niveum = {
+    batteryBlocks.default = "BAT0";
     networkInterfaces.wireless = "wlp3s0";
     promptColours.success = "cyan";
   };