# Solar panel Bresser 3810030 21W USB – portable 21 W solar charger with USB output

**URL:** https://aio.lv/en/product--bresser-3810030--11450118
**Data updated:** 2026-02-15 12:37 (EET)
**Category:** Solar Panels
**Manufacturer:** Bresser
**Manufacturer code:** 3810030
**EAN:** 4007922074566
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 50.49 €
**Prices and availability valid until:** 2026-07-15 23:59
**Price without VAT (21%):** 41.73 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--bresser-3810030--11450118

## 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

Portable solar panel Bresser 3810030 21W USB provides a 21 W solar charging solution with built-in USB output for charging small devices. Designed for outdoor use, it suits camping, hiking, travel and emergency backup. Lightweight and compact format allows easy transport and use where mains power is unavailable, offering sustainable on-the-go power.

## Long description

The Bresser 3810030 21W USB is a portable 21 W solar charger with a built-in USB output designed to supply sustainable power to small electronic devices when mains electricity is not available. Its compact and lightweight construction makes it suitable for outdoor activities and emergency use, providing a simple renewable energy source for charging phones, GPS units, power banks and other USB-powered equipment. The panel is intended for mobile use and short-term charging rather than continuous high-power supply.
Advantages
The solar charger offers a 21-watt output in a foldable, transportable form factor that reduces carry weight and storage volume. The integrated USB output simplifies device connection without additional adapters. The unit is designed for outdoor durability and quick set-up, enabling straightforward placement in sunlight. It provides a low-maintenance charging option that decreases dependence on mains power and supports sustainable energy use on the go.
Suitable for
Charging smartphones, tablets and small USB-powered devices while camping or hiking
Maintaining GPS units, action cameras or portable lights during outdoor trips
Supplementary charging for portable battery packs and power banks
Emergency backup power for essential small electronics during outages
Key specifications
Maximum power output: 21 W
Built-in USB output for direct device charging
Portable, lightweight and compact design for outdoor transport
Intended for USB-powered small electronics and battery charging
Suitable for use in outdoor conditions with direct sunlight
How to use
Place the solar panel in direct sunlight with the photovoltaic surface facing the sun and angle it to maximise exposure. Connect a USB cable from the panel’s USB output to the device you wish to charge or to a power bank. Monitor device charging status and reposition the panel as the sun moves to maintain optimal output. For storage, disconnect devices and fold or pack the panel according to the manufacturer’s folding method to protect the cells during transport.
Usage recommendations
For best performance, use the panel in full direct sunlight and avoid shaded areas. Protect devices from moisture and sudden temperature changes when charging outdoors. When charging power banks, ensure the power bank accepts solar input and monitor charging to prevent over-discharge or overheating.

## FAQ

### How much does the Solar panel Bresser 3810030 21W USB cost, and is it available for purchase?

The price is 50.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 21 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. 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 Bresser 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 Bresser 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/11450118/68527659_large.webp