# Hybrid solar inverter QOLTEC 53866 Off-Grid 6200W 120A

**URL:** https://aio.lv/en/product--qoltec-53866--11424041
**Data updated:** 2026-02-15 12:34 (EET)
**Category:** Power Inverters
**Manufacturer:** QOLTEC
**Manufacturer code:** 53866
**EAN:** 5901878538662
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 365.99 €
**Prices and availability valid until:** 2026-07-26 23:59
**Price without VAT (21%):** 302.47 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--qoltec-53866--11424041

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 06.07.2026 | free |
| Pickup points | 09.07.2026 | 1.89 EUR |
| Courier delivery to door | 09.07.2026 | 8.39 EUR |

## Summary description

Hybrid solar inverter QOLTEC 53866 Off-Grid delivers 6200W continuous output and supports 120A charging current. Designed for off-grid and hybrid solar systems, it converts DC from PV arrays and batteries to AC for household or small commercial use. Suitable for backup power, standalone installations and energy management with battery charging and inverter functions.

## Long description

The Hybrid solar inverter QOLTEC 53866 Off-Grid 6200W 120A is a hybrid off-grid inverter designed to convert DC power from photovoltaic panels and batteries into stable AC power for household and small commercial loads. It provides up to 6200 W continuous output and supports battery charging currents up to 120 A, enabling integrated inverter and charge-controller functionality for standalone power systems, backup applications and energy management in locations without reliable grid supply.
Advantages
This hybrid inverter combines inverter and battery charger capabilities in one unit, reducing the need for separate components. It offers high continuous output power suitable for multiple household appliances and critical small-business equipment. Built for off-grid operation, the device supports efficient conversion from PV arrays and controlled battery charging up to 120 A, enabling faster recharge cycles and effective energy storage utilization. The unit’s design supports reliable backup power and energy independence in remote or grid-limited installations.
Suitable for
 Off-grid homes and cabins requiring stable AC power
 Backup power systems for essential household loads
 Small commercial installations such as retail or remote offices
 Standalone solar systems with battery storage
 Energy management setups combining PV input and battery charging
Key specifications
 Continuous AC output power: 6200 W
 Maximum battery charging current: 120 A
 Function: hybrid inverter with built-in charger (off-grid operation)
 Input sources: photovoltaic arrays and battery DC input
 Output: AC power suitable for household and small commercial loads
How to use
Install the unit according to local electrical codes and the manufacturer’s installation instructions, placing it in a dry, ventilated area with adequate clearance. Connect PV array DC input and battery bank to the appropriate terminals, observing correct polarity and cable sizing for the defined charging current. Connect the AC output to the household distribution or dedicated circuits using a qualified electrician. Configure operating modes and charging parameters per system requirements to balance PV input, battery state of charge and load demand. Regularly monitor charge status and system diagnostics to ensure safe and efficient operation.
Usage recommendations
Use appropriately sized battery capacity and PV array to match the inverter’s 6200 W output and 120 A charging capability. Verify cable cross-sections, fuses and protective devices to handle continuous currents and follow recommended ventilation and ambient temperature limits. For backup systems, prioritize essential loads and confirm proper automatic transfer settings where relevant. Periodic inspection and firmware or settings updates, if provided by the manufacturer, help maintain performance and reliability.

## FAQ

### How much does the Hybrid solar inverter QOLTEC 53866 Off-Grid cost, and is it available for purchase?

The price is 365.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 106 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 06.07.2026 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, Installment. All transactions are 100% secure and encrypted.

### Can Hybrid solar inverter QOLTEC 53866 Off-Grid be purchased with a lease?

Yes, the purchase is available both on credit and with an interest-free installment plan. Learn more about installments and credit options: https://aio.lv/en/payment#b3

### 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 QOLTEC 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 QOLTEC 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/11424041/66064664_large.webp