The device in question is a Bluetooth 4.0 Battery Monitor that is resold under many brands, and which by itself would seem to do just what it is said to do, from monitoring a battery to running ...

This 16-inch portable monitor stands out with a sizable built-in battery and wireless casting capabilities at a reasonable price point of $299.99 USD. The lightweight display weighs just under two ...

“The new system enhances the efficiency of battery monitoring, improves battery reliability, and reduces the time and manpower cost for battery maintenance,” Lee Kam-hung, senior engineer of ...