---
title: How can I identify the primary inverter when operating in parallel?
description: How can I identify the primary inverter when operating in parallel?
---

[Skip to content](https://faq.duracellenergy.com/how-can-i-identify-the-primary-inverter-when-operating-in-parallel#main-content)

English

Show submenu for translations

![Duracell Energ Logo](https://faq.duracellenergy.com/hs-fs/hubfs/Duracell%20Energ%20Logo.png?width=252&height=89&name=Duracell%20Energ%20Logo.png)

Open main navigation

Close main navigation

- English
  
  Show submenu for translations
- [Visit Duracell Energy](https://www.duracellenergy.com/)

[Visit Duracell Energy](https://www.duracellenergy.com/)

 Hello. How can we help you?

- There are no suggestions because the search field is empty.

1. [Duracell Energy Support Hub](https://faq.duracellenergy.com/?hsLang=en)
2. [Installer](https://faq.duracellenergy.com/installer?hsLang=en)
3. [Inverter](https://faq.duracellenergy.com/installer?hsLang=en#inverter)

# How can I identify the primary inverter when operating in parallel?

The primary inverter is the one that has the CT installed. That’s how you can tell it apart from the others when running in parallel.

- [Homeowner](https://faq.duracellenergy.com/homeowner?hsLang=en#main-content)

    - [Manuals & Guides](https://faq.duracellenergy.com/homeowner?hsLang=en#manuals-guides)
    - [Top FAQs](https://faq.duracellenergy.com/homeowner?hsLang=en#top-faqs)
    - [Further support (Click below)](https://faq.duracellenergy.com/homeowner?hsLang=en#further-support-click-below)
    - [Inverter](https://faq.duracellenergy.com/homeowner?hsLang=en#inverter)
    - [Battery](https://faq.duracellenergy.com/homeowner?hsLang=en#battery)
    - [App](https://faq.duracellenergy.com/homeowner?hsLang=en#app)
    - [EV Charger](https://faq.duracellenergy.com/homeowner?hsLang=en#ev-charger)
- [Installer](https://faq.duracellenergy.com/installer?hsLang=en#main-content)

    - [Video Guides & Manuals](https://faq.duracellenergy.com/installer?hsLang=en#video-guides-manuals)
    - [Top FAQs](https://faq.duracellenergy.com/installer?hsLang=en#top-faqs)
    - [Further support (Click below)](https://faq.duracellenergy.com/installer?hsLang=en#further-support-click-below)
    - [Inverter](https://faq.duracellenergy.com/installer?hsLang=en#inverter)
    - [Battery](https://faq.duracellenergy.com/installer?hsLang=en#battery)
    - [App](https://faq.duracellenergy.com/installer?hsLang=en#app)
    - [EV Charger](https://faq.duracellenergy.com/installer?hsLang=en#ev-charger)

[![](https://faq.duracellenergy.com/hs-fs/hubfs/Duracell%20Energ%20Logo.png?width=244&height=86&name=Duracell%20Energ%20Logo.png)](http://puredrive-energy.co.uk)

https://www.duracellenergy.com

Copyright © 2026, Puredrive Energy Ltd