diff --git a/example.js b/example.js
index 63c927f..9d1fa1f 100644
--- a/example.js
+++ b/example.js
@@ -237,6 +237,12 @@ client.on('group_update', (notification) => {
     console.log('update', notification);
 });
 
+client.on('change_battery', (batteryInfo) => {
+    // Battery percentage for attached device has changed
+    const { battery, plugged } = batteryInfo;
+    console.log(`Battery: ${battery}% - Charging? ${plugged}`);
+});
+
 client.on('disconnected', (reason) => {
     console.log('Client was logged out', reason);
 });
diff --git a/src/Client.js b/src/Client.js
index b688a35..6dec95c 100644
--- a/src/Client.js
+++ b/src/Client.js
@@ -29,6 +29,7 @@ const { ClientInfo, Message, MessageMedia, Contact, Location, GroupNotification
  * @fires Client#group_update
  * @fires Client#disconnected
  * @fires Client#change_state
+ * @fires Client#change_battery
  */
 class Client extends EventEmitter {
     constructor(options = {}) {
@@ -296,6 +297,20 @@ class Client extends EventEmitter {
             }
         });
 
+        await page.exposeFunction('onBatteryStateChangedEvent', (state) => {
+
+            const { battery, plugged } = state;
+
+            /**
+             * Emitted when the battery percentage for the attached device changes
+             * @event Client#change_battery
+             * @param {object} batteryInfo
+             * @param {number} batteryInfo.battery - The current battery percentage
+             * @param {boolean} batteryInfo.plugged - Indicates if the phone is plugged in (true) or not (false)
+             */
+            this.emit(Events.BATTERY_CHANGED, { battery, plugged });
+        });
+
         await page.evaluate(() => {
             window.Store.Msg.on('add', (msg) => { if(msg.isNewMsg) window.onAddMessageEvent(msg); });
             window.Store.Msg.on('change', (msg) => { window.onChangeMessageEvent(msg); });
@@ -304,6 +319,7 @@ class Client extends EventEmitter {
             window.Store.Msg.on('change:isUnsentMedia', (msg, unsent) => { if(msg.id.fromMe && !unsent) window.onMessageMediaUploadedEvent(msg); });
             window.Store.Msg.on('remove', (msg) => { if(msg.isNewMsg) window.onRemoveMessageEvent(msg); });
             window.Store.AppState.on('change:state', (_AppState, state) => { window.onAppStateChangedEvent(state); });
+            window.Store.Conn.on('change:battery', (state) => { window.onBatteryStateChangedEvent(state); });
         });
 
         /**
diff --git a/src/util/Constants.js b/src/util/Constants.js
index d25903f..48434cc 100644
--- a/src/util/Constants.js
+++ b/src/util/Constants.js
@@ -46,6 +46,7 @@ exports.Events = {
     QR_RECEIVED: 'qr',
     DISCONNECTED: 'disconnected',
     STATE_CHANGED: 'change_state',
+    BATTERY_CHANGED: 'change_battery'
 };
 
 /**