App. is a Battery Monitor for iPhone through bluetooth BLE.
A demonstration can found here...
https://youtu.be/WhLtSxZYeVs
With Our Battery Monitor hardware and this App, you can check your battery’s voltage quickly, easily and visualize.
You must have specific hardware device for this App.
Hardware is designed based on TI CC2541 and its specification could found at
http://www.ti.com/product/CC2541
Please contact us for more product detail.