# Solar controller Hewalex G422-P09 for 12V / 24V systems, MPPT/regulated charge control

**URL:** https://aio.lv/en/product--hewalex-hss0011--11359683
**Data updated:** 2026-03-07 19:59 (EET)
**Category:** Solar Panel Accessories
**Manufacturer:** Hewalex
**Manufacturer code:** HSS0011
**EAN:** 5902023525018
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 161.99 €
**Prices and availability valid until:** 2026-07-16 23:59
**Price without VAT (21%):** 133.88 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--hewalex-hss0011--11359683

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 08.07.2026 | free |
| Pickup points | 13.07.2026 | 1.99 EUR |
| Courier delivery to door | 13.07.2026 | 4.99 EUR |

## Summary description

Hewalex G422-P09 is a solar charge controller designed for 12V and 24V photovoltaic systems. It manages charging of batteries and protects against overcharge and reverse polarity, enabling reliable power regulation from solar panels to battery banks. Suitable for small off-grid installations, backup systems and standalone solar setups requiring automated charge control.

## Long description

Hewalex G422-P09 is a solar charge controller for 12V and 24V photovoltaic systems that combines MPPT regulation and protective functions to ensure efficient battery charging. Designed for standalone and small off-grid installations, the controller manages energy flow from solar panels to battery banks, prevents overcharge, and protects against reverse polarity and short-circuit conditions. The unit supports automated switching between 12V and 24V system configurations and offers stable voltage regulation suitable for lead-acid and similar battery types.
Advantages
The controller uses maximum power point tracking (MPPT) to improve energy harvest from solar panels compared with basic PWM controllers, increasing charging efficiency under varying irradiance. Built-in protections guard against overcharging, reverse polarity connection, and common fault conditions, helping to extend battery life and reduce maintenance. Compact form factor and straightforward electrical connections make installation and integration into small PV systems convenient.
Suitable for
Small off-grid solar systems for cabins, remote sensors, and camping setups
Backup power systems with 12V or 24V battery banks
Standalone solar installations for lighting, communication equipment, and low-power appliances
Key specifications
Compatible system voltages: 12V and 24V automatic selection
MPPT charge regulation for improved conversion efficiency
Battery protection functions: overcharge prevention and reverse polarity protection
Suitable for charging lead-acid type batteries and comparable chemistries
Compact size for installation in small enclosures or mounting near the battery bank
How to use
Install the controller in a dry, ventilated location near the battery bank. Connect the battery first, observing correct polarity, then connect the solar panel array to the controller input. The unit will detect and operate in either 12V or 24V mode automatically; ensure the system wiring and battery configuration match the intended voltage. Monitor the controller indicators or any available display to verify charging status and fault indications. Follow standard safety procedures when working with batteries and photovoltaic arrays, including disconnecting loads and sources before making wiring changes.
Usage recommendations
To maximize performance, use appropriately sized solar panels and cable gauges to minimize voltage drop, and select a battery capacity matched to expected daily energy consumption. Periodically inspect connections for corrosion or looseness and verify the controller’s ventilation is not obstructed. For consistent long-term operation, avoid exposing the controller to direct moisture and install it within the manufacturer’s recommended ambient temperature range.

## FAQ

### How much does the Solar controller Hewalex G422-P09 12V/24V cost, and is it available for purchase?

The price is 161.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 27 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 08.07.2026 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 Solar controller Hewalex G422-P09 12V/24V 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 Hewalex 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 Hewalex 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/11359683/65839182_large.webp