Cellink Neo is a free Android application developed by eGens that helps control the Cellink Bluetooth system. It is the perfect tool for anyone who owns a black box and wants to manage their secondary battery efficiently.

The app displays various information about the battery, such as its operation status, capacity, temperature, and charge/discharge time. It also shows input/output voltage and current, which is incredibly helpful when monitoring the battery's performance.

One of the best features of Cellink Neo is that it automatically connects to recently connected devices, saving you time and effort. Additionally, the app allows you to download the screen configuration from the server and reflect it on your device. You can also edit the battery capacity and choose which battery you want to connect to.

Overall, Cellink Neo is an excellent lifestyle app that offers essential control functions for your black box battery. It is stable, easy to use, and provides accurate information about your battery's performance.