diff --git a/package-lock.json b/package-lock.json
index f529086..c70befc 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -18,6 +18,7 @@
       },
       "devDependencies": {
         "@types/uuid": "^9.0.5",
+        "@types/web": "^0.0.117",
         "ts-standard": "^12.0.2",
         "typescript": "^5.2.2",
         "vite": "^4.4.11",
@@ -755,6 +756,12 @@
       "integrity": "sha512-xfHdwa1FMJ082prjSJpoEI57GZITiQz10r3vEJCHa2khEFQjKy91aWKz6+zybzssCvXUwE1LQWgWVwZ4nYUvHQ==",
       "dev": true
     },
+    "node_modules/@types/web": {
+      "version": "0.0.117",
+      "resolved": "https://registry.npmjs.org/@types/web/-/web-0.0.117.tgz",
+      "integrity": "sha512-RuiWqL7X8vZjg9gB6vWHfqz6/u7RAghWlAsIYm8pImmtRsrupiWPH3yTUu+iutLx8om9U0W/CpP8Lx1rDYBjYw==",
+      "dev": true
+    },
     "node_modules/@typescript-eslint/eslint-plugin": {
       "version": "5.62.0",
       "resolved": "https://registry.npmjs.org/@typescript-eslint/eslint-plugin/-/eslint-plugin-5.62.0.tgz",
diff --git a/package.json b/package.json
index d62f652..afab852 100644
--- a/package.json
+++ b/package.json
@@ -15,6 +15,7 @@
   "license": "MIT",
   "devDependencies": {
     "@types/uuid": "^9.0.5",
+    "@types/web": "^0.0.117",
     "ts-standard": "^12.0.2",
     "typescript": "^5.2.2",
     "vite": "^4.4.11",
diff --git a/src/modules/battery.ts b/src/modules/battery.ts
index 3909381..7818ec0 100644
--- a/src/modules/battery.ts
+++ b/src/modules/battery.ts
@@ -9,5 +9,17 @@ export const run = (element: HTMLDivElement): void => {
   element.style.alignItems = 'center'
   element.style.paddingLeft = '15px'
   element.style.paddingRight = '15px'
-  element.innerHTML = '🔋 100%'
+
+  if ('getBattery' in navigator) {
+    // types don't exist for battery api
+    // @ts-expect-error
+    navigator.getBattery().then((battery) => {
+      element.innerHTML = `🔋 ${(battery.level * 100).toFixed(0)}%`
+      battery.addEventListener('', () => {
+        element.innerHTML = `🔋 ${(battery.level * 100).toFixed(0)}%`
+      })
+    })
+  } else {
+    console.log('Battery API is not supported on this device')
+  }
 }