About this app
Your PowerXtreme battery, always within reach. The PowerXtreme app connects to your EmergoStar / PowerXtreme battery over Bluetooth. That way you can easily check the current battery status and change the settings wirelessly - straight from your phone. ALWAYS IN THE PICTURE • See the current charge level • Check voltage, current and temperature live • View the capacity in Ah and the number of charge cycles • Get warnings for extreme temperatures, short circuit and overload, among others SIMPLE TO USE • Switch on storage mode when you do not need the battery for a longer period • Set the heater on batteries with a built-in heating element • Give every battery its own recognizable name • Easily send a service report if you have a question or a problem • Install available firmware updates straight from your phone GOOD TO KNOW To use this app you need an EmergoStar / PowerXtreme battery with Bluetooth. Turn Bluetooth on and stay near the battery while you use it. The app is available in Dutch, English, German and French.
Latest release
What’s New
This update makes the app faster and more dependable in everyday use.
Audience growth
Ratings growth
Baseline captured. Growth appears after the crawler observes a changed rating count.
Momentum comes from crawler snapshots for the tracked storefront. “Viral growth signal” means unusually fast recent rating gains; it is an indicator, not download data.
Price tracking
Price intelligence
First snapshot captured. The trend line starts after the next crawler price observation.
- First observed Sep 8, 2026 · 8:42 PM Free