---
title: "Which devices are compatible or not with the next inverter-chargers series?"
description: "**The possible combinations of elements are:** - nx-interface is compatible with next1 and next3. Use one nx-interface per system. - next3 and next1 are compatible with solar chargers variostring and variotrack with the use of a communication gateway xcom 485i-nx.…"
url: "https://studer-innotec.com/support/faq/next-inverter-chargers-series/compatibility/which-devices-are-compatible-or-not-with-the-next-inverter-chargers-series/"
updated: "2026-06-25"
category: Compatibility
tags:
  - accessories
  - next series
  - next1 inverter
  - next3 inverter
---

# Which devices are compatible or not with the next inverter-chargers series?

**The possible combinations of elements are:**

- nx-interface is compatible with next1 and next3. Use one nx-interface per system.
- next3 and next1 are compatible with solar chargers variostring and variotrack with the use of a communication gateway xcom 485i-nx.
- Multiple next3 can be paralleled up to 3 units in a system.
- Multiple next1 can be combined: paralleled up to 2 units in a system and set in split-phase and triphase. Up to 6 units in a system.
- Grid-tied inverter can be used for AC coupling with the AC flex input/output of the next inverter-charger.

If you are looking for a detailed list of compatible devices, please refer to the 'accessories' section at the bottom of the relevant product page.

**The next devices are not compatible with:**

- Inverter-chargers from the xtender series must not be combined with every inverter-chargers of the next series
- All the accessories from the xtender inverter-chargers series (for example: rcc, bsp, xcom CAN, xcom LAN, xcom 4G, xcom GSM...)
- The xtender studer CAN-bus and the nx-bus must never be put together.