# Features {% hint style="info" %} Here you will get a brief idea on what the device is capable of and the important features {% endhint %} ### Power section : The device has two power inputs, #### 1) Main Power input - VCHG : This is the main power input of the device and is usually connected to the 12V DC adapter. Right now the device supports from 12VDC to 42VDC input . The main power chip used here is the TPS54240 switching regulator. which converts the 12VDC input to 4V which goes to modules VBAT pin. #### 2) Battery power input - VBAT This is the direct battery input and a 3.7V to 4.2V LiPo battery has to be connected to it. Use at least 400mAH battery. There is no reverse polarity protection to this pin so be careful connecting the battery. Use a battery with JST-XH size female connector. To understand the power section of the device, look at the block diagram. --- # Agent Instructions: Querying This Documentation If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question. Perform an HTTP GET request on the current page URL with the `ask` query parameter: ``` GET https://docs.valetron.com/wiki/products/a7672x-eval/features.md?ask= ``` The question should be specific, self-contained, and written in natural language. The response will contain a direct answer to the question and relevant excerpts and sources from the documentation. Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.