---
title: How many PV modules can connect to a single ECU for reliable communication and management?
description: How many PV modules can connect to a single ECU for reliable communication and management?
---

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# How many PV modules can connect to a single ECU for reliable communication and management?

Approximately 80 micro-inverters can be connected to a single ECU. Which equates to approximately 160 PV modules for a dual-module microinverter, 320 PV modules for a quad-module microinverter.

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