# Solar optimizer junction box HiSmart NV820177 for 600W panels

**URL:** https://aio.lv/en/product--hismart-nv820177--5258239
**Data updated:** 2026-02-12 14:19 (EET)
**Category:** Solar Panel Accessories
**Manufacturer:** HiSmart
**Manufacturer code:** NV820177
**EAN:** 9990000820177
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 38.99 €
**Prices and availability valid until:** 2026-07-21 23:59
**Price without VAT (21%):** 32.22 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--hismart-nv820177--5258239

## 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

HiSmart NV820177 is a solar optimizer junction box designed for 600W photovoltaic panels. It provides module-level optimization and safe DC connection, enabling improved panel performance and simplified installation. Suitable for residential and commercial solar arrays, it helps reduce mismatch losses, monitor output at module level, and integrate with inverter systems for reliable energy production.

## Long description

HiSmart NV820177 is a solar optimizer junction box designed to work with 600W photovoltaic panels. It provides module-level optimization to improve energy harvest by minimizing mismatch losses and enabling per-panel monitoring. The unit offers a safe DC connection interface compatible with common inverter systems and simplifies wiring during installation on residential and commercial solar arrays.
Advantages
The junction box integrates optimization electronics directly at the module, which helps maintain higher output under partial shading and uneven soiling. Built for compatibility with high-power 600W panels, it supports reliable DC switching and secure electrical connections while reducing the complexity of field wiring. The built-in monitoring capability enables diagnostics at module level, assisting in faster fault identification and system maintenance.
Suitable for
Residential rooftop solar systems using 600W modules
Commercial and industrial PV arrays requiring module-level optimization
Installations with partial shading or mixed-orientation panels
Systems where per-module monitoring and faster troubleshooting are required
Key specifications
Designed for 600W photovoltaic modules
Module-level power optimization functionality
Safe DC connection interface for integration with inverters
Integrated monitoring capability for individual panel output
Rugged enclosure suitable for outdoor PV module mounting
How to use
Mount the junction box to the back of a compatible 600W solar module following the module and optimizer manufacturer's mechanical instructions. Connect the module’s internal wiring to the optimizer’s input terminals and route the optimizer’s DC output to the string-level wiring that leads to the inverter, observing correct polarity and connector locking procedures. Configure any communications link between the optimizer and the inverter or monitoring gateway according to the system integration guidelines to enable module-level data reporting and optimization features.
Usage recommendations
Installers should verify compatibility with the chosen 600W panels and inverter system, ensure proper torque settings on electrical connections, and follow local electrical codes. Regular visual inspections and periodic data checks via the monitoring interface will help maintain optimal performance and identify potential issues promptly.

## FAQ

### How much does the HiSmart NV820177 solar optimizer junction box cost, and is it available for purchase?

The price is 38.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 1 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 HiSmart 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 HiSmart 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

https://aio.lv/img/cache/product/5258239/42150768_large.webp