> For the complete documentation index, see [llms.txt](https://commanderhelp.verifone.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://commanderhelp.verifone.com/general-help-guides/general-help/how-to-check-for-power/ups-battery-backup.md).

# UPS / Battery Backup

#### Use this when the POS, Commander, or another device may have lost power.

The UPS protects store equipment from power issues.

*If the UPS has no output, connected equipment may appear fully off.*

<details>

<summary>Keywords</summary>

**Also called:** UPS no power, battery backup no power, UPS off, UPS not working, no output from UPS

**Keywords:** UPS power check, battery backup power check, check power on UPS, UPS reset button, UPS wall outlet, UPS no output, battery backup troubleshooting

</details>

### How to check power on the UPS

{% stepper %}
{% step %}

#### Confirm the equipment is plugged into the UPS

POS units and Commanders should be plugged into the UPS.

Use the battery-backed outlets for equipment.

All yellow/orange sockets are for equipment

Do not use the UPS to charge phones.
{% endstep %}

{% step %}

#### Check wall power

Make sure the UPS itself is plugged into a working wall outlet.
{% endstep %}

{% step %}

#### Press the reset button

The reset button is just above the power cord.

Press it once to try to restore power output.

![](/files/e101b5d6bd09e67a619113a2d41d8aec873ca072)
{% endstep %}
{% endstepper %}

{% hint style="info" %}
If the wall outlet has power and the reset button does not restore output, the UPS should be checked by a technician.
{% endhint %}

### Related power checks

* [Check power on Commander](/general-help-guides/general-help/how-to-check-for-power/commander.md)
* [Check power on Ruby 2 and RubyCI](/general-help-guides/general-help/how-to-check-for-power/ruby-2-and-rubyci.md)
* [Check power on Topaz](/general-help-guides/general-help/how-to-check-for-power/topaz.md)
* [How to check for power](/general-help-guides/general-help/how-to-check-for-power.md)


---

# Agent Instructions
This documentation is published with GitBook. GitBook is the documentation platform designed so that both humans and AI agents can read, navigate, and reason over technical content effectively. Learn more at gitbook.com.

## 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://commanderhelp.verifone.com/general-help-guides/general-help/how-to-check-for-power/ups-battery-backup.md?ask=<question>
```

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.
