Cross-Device Battery Monitor - Apps on Google Play
Quicklynks Bt2000 Bluetooth 4.0 12v Battery Monitor App Car Battery Cranking&charging Test 100-2000cca Battery Tester Auto Tools - Car Battery Tester & Charger Tools - AliExpress
GSam Battery Monitor - Apps on Google Play
Amazon.com: Battery Monitor Battery Accessories for Car RV 12V Battery/Antigravity Batteries with Bluetooth 4.0 Wireless Battery Sense Tester Battery Load Tester Compatible with Free App : Automotive
phone-app-battery-monitor - Smart marine battery monitor system - Simarine
About the battery usage on your iPhone, iPad, and iPod touch - Apple Support
Battery Monitor App on the App Store
Top battery monitoring apps on the Play Store that do not require root access
Android Battery Monitor - What's Draining Your Android Battery so Fast
How to make Battery Monitoring App in mit app inventor 2 - YouTube
Battery manager and monitor - Apps on Google Play
Battery Monitor – Wern's Website
5 best battery saver apps for Android and other ways too