# Synergy 21 S21-LED-TOM00925 LED bulb Cool white 5000 K 4 W GX5.3

**URL:** https://aio.lv/en/product--synergy21-s21-led-tom00925--12224157
**Data updated:** 2026-03-29 16:11 (EEST)
**Category:** LED Bulbs
**Manufacturer:** Synergy21
**Manufacturer code:** S21-LED-TOM00925
**EAN:** 4038816113962
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 11.49 €
**Prices and availability valid until:** 2026-07-25 23:59
**Price without VAT (21%):** 9.50 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--synergy21-s21-led-tom00925--12224157

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 10.07.2026 | free |
| Pickup points | 15.07.2026 | 1.89 EUR |
| Courier delivery to door | 15.07.2026 | 4.99 EUR |

## Summary description

Synergy 21 S21-LED-TOM00925. Bulb power: 4 W, Fitting/cap type: GX5.3, Luminous flux: 440 lm, Bulb lifetime: 35000 h, Light colour: Cool white, Colour temperature: 5000 K, Beam angle (max): 60°

## Long description

Synergy 21 S21-LED-TOM00925 LED bulb delivers focused cool white light with low power consumption. Designed for GX5.3 sockets, this 4 W lamp produces approximately 440 lumens at a colour temperature of 5000 K and offers a beam angle up to 60°. Rated for an expected lifetime of around 35,000 hours, the bulb is suitable for replacing low-voltage halogen spotlights where cool, neutral illumination is required.
Advantages
The LED bulb combines energy efficiency with long operating life, reducing maintenance and replacement frequency. Its compact design and GX5.3 base ensure compatibility with fixtures that accept bi-pin low-voltage lamps. With a luminous flux of 440 lm and a 5000 K cool white output, the lamp provides clear, high-contrast illumination while consuming only 4 W.
Suitable for
 Display and showcase lighting in retail and exhibition settings
 Task and accent lighting in kitchens, worktops and reading areas
 Spotlighting in galleries, museums and architectural features
 Replacement for low-voltage halogen GX5.3 lamps
Key specifications
 Rated power: 4 W
 Luminous flux: 440 lm
 Colour temperature: 5000 K (cool white)
 Beam angle: up to 60°
 Expected lifetime: 35,000 hours
 Base type: GX5.3 (bi-pin)
How to use
Ensure the fixture is compatible with GX5.3 bi-pin bulbs and that the mains supply and any transformer are suitable for LED operation. Switch off power before installing the bulb, insert the pins into the GX5.3 socket and secure the lamp in place. After installation, restore power and verify correct operation and beam direction. For dimming applications, confirm the lamp is used with a compatible LED dimmer and driver; otherwise operate it on a fixed non-dimmable circuit.
Usage recommendations
Use the bulb in dry, well-ventilated fixtures to maintain rated lifetime. Avoid direct exposure to water or extreme temperatures. When replacing halogen lamps, check transformer compatibility to prevent flicker or reduced lifespan.

## Specifications

### Performance

| Feature | Value |
|---|---|
| Fitting/cap type | GX53 |
| Bulb power | 4 W |
| Luminous flux | 440 lm |
| Light colour | Cool white |
| Colour temperature | 5000 K |
| Beam angle (max) | 60 ° |
| Bulb lifetime | 35000 h |
| Product colour | Silver |

### Technical details

| Feature | Value |
|---|---|
| Lamps quantity | 1 lamp(s) |
| Voltage | 10 - 14 |

### Weight & dimensions

| Feature | Value |
|---|---|
| Length | 52 mm |
| Diameter | 50 mm |

### Other features

| Feature | Value |
|---|---|
| Material | Aluminium |
| Energy efficiency class (old) | A++ |

## FAQ

### How much does the Synergy 21 S21-LED-TOM00925 LED bulb S21-LED-TOM00925 cost, and is it available for purchase?

The price is 11.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 100 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 10.07.2026 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 Synergy21 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 Synergy21 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

### How can I tell if this product suits my needs?

When making a choice, we recommend paying attention to the key features: fitting/cap type, bulb power, luminous flux, colour temperature, compatibility with your devices or usage conditions, material quality, functionality, and warranty terms. These characteristics will help you determine how well the model meets your needs.

### Where can I download the instructions for Synergy 21 S21-LED-TOM00925 LED bulb S21-LED-TOM00925?

You can download the instructions in PDF format from the “Instructions” section on the product description page. The file contains complete information about installation, setup, and usage.

## Image

https://aio.lv/img/cache/product/12224157/68116921_large.webp