AprilBeacon is one of the most commonly used beacons. Supporting both iBeacon and Eddystone. Battery level can be shown in the advertising data or via a Bluetooth GATT connection.
While this beacon has both iOS and Android configuration apps, the iOS app is easier to use and is more functional. If you are setting up Eddystone-URL (for Android notifications) and you consider yourself to be non-technical then you will need use of an iOS device for setup.
Power supply by CR2450 Battery 500~ mAh (replaceable).