# Wi‑Fi Interface Growatt NV820344 USB connectivity module for inverter monitoring

**URL:** https://aio.lv/en/product--growatt-nv820344--10458093
**Data updated:** 2025-12-30 08:41 (EET)
**Category:** Power Inverters
**Manufacturer:** Growatt
**Manufacturer code:** NV820344
**EAN:** 9990000820344
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 28.99 €
**Prices and availability valid until:** 2026-07-22 23:59
**Price without VAT (21%):** 23.96 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--growatt-nv820344--10458093

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 02.07.2026 | free |
| Pickup points | 07.07.2026 | 1.89 EUR |
| Courier delivery to door | 07.07.2026 | 4.99 EUR |

## Summary description

Wi‑Fi Interface Growatt NV820344 is a USB connectivity module designed to add wireless monitoring to compatible Growatt inverters. It provides a Wi‑Fi link for remote data access and system status monitoring via Growatt apps or portals. Intended for installers and PV system owners who need convenient real‑time performance monitoring and logging without running ethernet cables.

## Long description

Wi‑Fi Interface Growatt NV820344 USB connectivity module provides wireless monitoring for compatible Growatt inverters. The USB dongle connects to the inverter USB Type‑A port and enables data upload and communication to the ShinePhone app over a 2.4 GHz Wi‑Fi network so system status and produced energy can be monitored remotely. The module also supports local device configuration and firmware updates during commissioning and can be reused for subsequent installations.
Advantages
The Growatt NV820344 adds Wi‑Fi connectivity without altering inverter hardware or running Ethernet cables, supports local firmware updates and configuration via the ShinePhone app, and is portable for redeployment after initial setup. It operates on the 2.4 GHz band and uses the common USB Type‑A interface for simple installation.
Suitable for
Monitoring and logging PV system performance remotely
Installers configuring or commissioning Growatt inverters
Owners who prefer app‑based real‑time energy data
Setups where running wired network cabling is impractical
Key specifications
Supported network: Wi‑Fi 2.4 GHz (2412–2484 MHz)
Wi‑Fi standard: IEEE 802.11 b/g/n
Max. bandwidth: 150 Mbps
Max. communication range: up to 30 m (typical, depends on environment)
Power: 5 V via USB
Interface: USB Type‑A
App: ShinePhone
Dimensions: 82 × 25 × 10 mm
Weight: 60 g
Warranty: 12 months
How to use
Insert the NV820344 USB dongle into the inverter's USB Type‑A port, install and open the ShinePhone app on a mobile device, then follow the app instructions to connect the dongle to the local 2.4 GHz Wi‑Fi network and register the inverter. Use the app to perform any required device configuration and local firmware updates during commissioning. After commissioning, the dongle may be removed and reused on another installation if needed.
Usage recommendations
For reliable communication, place the inverter and router to minimize physical obstructions and interference on the 2.4 GHz band; ensure the ShinePhone app is the latest version and perform firmware updates when prompted. Confirm compatibility with Growatt inverter models such as MIC 750–3000TL‑X, MIN 2500–6000TL‑X/XE/XH, MOD 3–15KTL3‑X, MID/MAC/MAX series listed by the manufacturer.

## FAQ

### How much does the Wi‑Fi Interface Growatt NV820344 USB module cost, and is it available for purchase?

The price is 28.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 3 pcs. are in stock, and you can place your purchase right now with delivery across Latvia and Europe or choose pickup at the Riga collection point. We offer favorable purchase terms, including the option to split the payment into convenient monthly installments. Availability and price are updated in real time, so we recommend placing your order in advance.

### If I order this product today, when will I receive my order?

If you place your order today, delivery will be as fast and convenient as possible. You will be able to pick up your order on 02.07.2026 at the Riga pickup point or choose delivery across Latvia and Europe. We carefully inspect every purchase and pack it securely for safe transportation.

### What payment options are available?

AiO.lv offers several payment methods: Bank transfer, Bank cards on-line, Apple Pay, Google Pay. All transactions are 100% secure and encrypted.

### Can this product be purchased for a company (with VAT)?

Yes. AiO.lv works with legal entities in Latvia and across Europe. The product price already includes VAT. For certain product categories, as well as for companies from other EU countries with a valid VAT number, a 0% VAT rate may apply. We issue the invoice immediately after the order is placed, support electronic BIS invoices, and automatically generate all necessary accounting documents. You can complete the purchase for a company online — simply select the company profile and choose bank transfer as the payment method during checkout.

### What is the warranty period?

All Growatt products come with an official 2 Years warranty. It covers all manufacturing defects and malfunctions that may occur during use. The warranty is valid at all authorized Growatt service centers and through AiO.lv

### Can the product be returned after purchase?

Yes, you can return the product within 14 days of purchase if you bought it as a consumer (not a legal entity). Returns are possible without giving any reason — the main condition is that the product retains its original appearance and full set of accessories. We will make the process as simple and convenient as possible: just contact our customer support team, and we will help you arrange the return.

### Where should I contact for warranty service?

For warranty-related questions you can contact the AiO.lv (SIA VSPRO) customer support team. More information about warranty service: https://aio.lv/en/warranty

## Image

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