# Electric heating system reserve set electro base Inver300 300W 12V with 20Ah battery

**URL:** https://aio.lv/en/product--electro-base-inver30020ah--4444557
**Data updated:** 2026-02-12 14:09 (EET)
**Category:** UPS
**Manufacturer:** electro base
**Manufacturer code:** Inver300+20Ah
**EAN:** 3100001089312
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 150.00 €
**Prices and availability valid until:** 2026-07-18 23:59
**Price without VAT (21%):** 123.97 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--electro-base-inver30020ah--4444557

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 01.07.2026 | free |
| Pickup points | 06.07.2026 | 1.99 EUR |
| Courier delivery to door | 06.07.2026 | 4.99 EUR |

## Summary description

Reserve set for electric heating systems by electro base, model Inver300. Provides 300W output at 12V and includes a 20Ah rechargeable battery for backup power. Designed to maintain essential heating when mains power is unavailable, suitable for small heaters, boiler controllers or emergency heating circuits. Easy to install and use for uninterrupted operation.

## Long description

The electro base Inver300 reserve set provides a compact backup power solution for electric heating systems. Delivering 300W at 12V and supplied with a 20Ah rechargeable battery, this kit is intended to maintain essential heating functions when mains power is unavailable. The set is designed for straightforward installation and integration with small heaters, boiler controllers and emergency heating circuits to ensure continued operation of critical heating components during outages.
Advantages
The unit offers a stable 300W DC output at 12V, compatible with a range of low-power heating devices and control modules. Including a 20Ah battery ensures several hours of operation for typical small heating controllers and emergency circuits, while the compact form factor simplifies mounting in utility rooms or inside control cabinets. The design focuses on reliable backup operation, simple wiring and minimal maintenance requirements.
Suitable for
Backup power for small electric heaters and convectors
Supply for boiler control units during power interruptions
Maintaining power to emergency heating circuits and valves
Temporary power for low-power thermostats and sensors
Key specifications
Output power: 300 W at 12 V DC
Battery capacity: 20 Ah rechargeable lead-acid or AGM type (installed)
Intended use: backup power for low-power heating equipment and controllers
Installation: indoor mounting in control cabinets or utility spaces
Operation mode: automatic backup during mains failure
How to use
Connect the Inver300 reserve set to the heating system's low-voltage input following the manufacturer's wiring recommendations for DC backup units. Ensure correct polarity and secure connections to the heater control unit or emergency circuit. Charge the included 20Ah battery fully before first use and verify correct switching between mains and battery power by simulating a power interruption. Regularly check battery charge status and connection integrity to maintain readiness.
Usage recommendations
Use the reserve set for essential heating components only; avoid connecting loads that exceed the 300W output. Store and operate the unit indoors at moderate temperatures, and perform periodic battery checks and replacements in line with the battery manufacturer's guidelines to ensure reliable backup performance.

## FAQ

### How much does the Electric heating reserve set electro base Inver300 300W 12V cost, and is it available for purchase?

The price is 150.00 € (valid at the time of publication and already includes all taxes). The item is available for order — 5 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 01.07.2026 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 Electric heating reserve set electro base Inver300 300W 12V 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 electro base 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 electro base 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/4444557/15423563_large.webp