The BATT-MON Click Board™ is a very versatile, high accuracy, multiple-chemistry battery gauge for applications of single-cell batteries. It can be used for various applications, ranging from smartphones, notebooks/laptops, power tools, vacuums, to energy storage systems (ESS), while providing the output voltage at the same time. The interesting feature of this device is that it can provide additional current to the connected load if the current provided from the mikroBUS™ socket is not enough. This is possible by utilizing the connected battery and by employing intelligent power routing algorithms of the BATT-MON Click Board™.