new
<!DOCTYPE html>
<html>
<body>
<h2>Open Battery Settings</h2>
<button onclick="openBattery()">Open Battery</button>
<script>
function openBattery() {
window.location.href = "intent://settings#Intent;action=android.settings.BATTERY_SAVER_SETTINGS;end";
}
</script>
</body>
</html>
