# Power supply BLOW 3835# switching 12V 500mA connector 2.1/5.5 (center negative)

**URL:** https://aio.lv/en/product--blow-3835--11652013
**Data updated:** 2026-02-16 07:01 (EET)
**Category:** Portable Device Chargers
**Manufacturer:** BLOW
**Manufacturer code:** 3835#
**EAN:** 5900804102854
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 8.99 €
**Prices and availability valid until:** 2026-07-12 23:59
**Price without VAT (21%):** 7.43 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--blow-3835--11652013

## 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

Compact switching power supply BLOW 3835# delivers 12 V DC at 500 mA with a standard 2.1/5.5 mm barrel connector wired center negative. Designed for low‑power electronics, routers, CCTV cameras, small LED strips and similar devices that require stable 12V input. Provides regulated output for reliable operation and convenient plug‑in use.

## Long description

Compact switching power supply BLOW 3835# provides a regulated 12 V DC output at up to 500 mA through a standard 2.1/5.5 mm barrel connector wired center negative. The unit is intended for low‑power electronics and appliances that require a stable 12V input and a compact plug‑in form factor. The supply uses switching regulation to maintain output voltage under varying load conditions while minimizing heat and overall size.
Advantages
The switching design yields stable voltage regulation with relatively high efficiency and reduced thermal dissipation compared with linear adapters. Its small enclosure and common barrel connector make the power supply easy to integrate with routers, CCTV cameras and many small 12V devices. The center negative polarity matches devices that require a negative tip configuration, avoiding misconnection when the correct polarity is confirmed. The 500 mA current rating supports small LED strips, low‑power network equipment and other peripherals within the stated output limits.
Suitable for
 Low‑power routers and network accessories
 CCTV cameras and surveillance modules with 12V center‑negative input
 Small LED strips and lighting modules up to 6 W
 Portable audio devices and small consumer electronics requiring 12 V DC, 500 mA
 Development boards and hobby electronics projects with matching connector and polarity
Key specifications
 Output voltage: 12 V DC (regulated)
 Maximum output current: 500 mA
 Connector type: 2.1/5.5 mm barrel (center negative)
 Regulation type: switching (SMPS)
 Intended use: indoor, plug‑in external power adapter
 Typical power output: up to 6 W
How to use
Confirm that the target device accepts 12 V DC and that its current consumption does not exceed 500 mA. Verify the connector polarity is center negative before connecting. Insert the barrel connector fully into the device socket and plug the adapter into a suitable AC mains outlet. Allow a brief stabilization period after powering on to ensure the regulated output reaches nominal voltage. Disconnect power by unplugging from the mains and then from the device if required.
Usage recommendations
Use the adapter indoors and avoid exposure to moisture or extreme temperatures. Do not exceed the 500 mA rating; if the device demands higher current, select an adapter with a greater current capacity. If uncertain about polarity or compatibility, consult the device documentation or measure the connector with a suitable meter before use.

## FAQ

### How much does the Power supply BLOW 3835# 12V 500mA cost, and is it available for purchase?

The price is 8.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 351 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. 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 BLOW 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 BLOW 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/11652013/66923521_large.webp