With Battery Sense, you can check the charge status of your battery in real-time. Battery Sense compiles useful information about your battery in a simple, user-friendly overview. Knowing your battery's charge status allows you to easily monitor its health, thereby increasing its performance and lifespan. This way, you can avoid frequent battery replacements and the unpleasant experience of your car breaking down. The battery status is displayed directly on your smartphone. Connect Battery Sense to the battery and download the app. From now on, your battery will communicate with you through your smartphone. With Battery Sense, you no longer have to wonder when it's time to recharge the battery. Battery Sense connects via Bluetooth near your vehicle – you don't even need to start the engine. Battery Sense can display the charge status of up to 5 batteries. It alerts you in time when it's time to recharge a battery. With Battery Sense, you can monitor all your vehicle batteries and also select the appropriate Ctek charger for recharging each vehicle. Ctek offers a wide range of products with the right charger for every vehicle and situation. With Battery Sense and compatible Ctek chargers, you have a complete battery care package. Compatible with devices running Android 4.4 (or higher), iOS 7 (or higher), and Bluetooth 4.0.