# Power supply EMOS 1703225021, adjustable output 3–12V, capacity 2250mAh, universal adapter

**URL:** https://aio.lv/en/product--emos-1703225021--3516639
**Data updated:** 2025-12-29 10:58 (EET)
**Category:** Portable Device Chargers
**Manufacturer:** EMOS
**Manufacturer code:** 1703225021
**EAN:** 8592920064115
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 20.49 €
**Prices and availability valid until:** 2026-07-21 23:59
**Price without VAT (21%):** 16.93 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--emos-1703225021--3516639

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 09.07.2026 | free |
| Pickup points | 14.07.2026 | 1.89 EUR |
| Courier delivery to door | 14.07.2026 | 4.99 EUR |

## Summary description

Universal power supply EMOS 1703225021 provides adjustable DC output from 3 to 12V with a capacity rating of 2250mAh. Designed for powering portable devices that accept variable voltage input, it offers versatility for chargers, small electronics and hobby projects. The unit’s adjustable output and universal compatibility simplify testing and replacement of existing adapters.

## Long description

Universal power supply EMOS 1703225021 delivers an adjustable DC output from 3 V up to 12 V and is supplied with a set of interchangeable DC connectors and one USB output. The adapter accepts 100–240 V AC input at 50/60 Hz and is intended for powering portable electronics, small devices and hobby equipment that require different DC voltages. The unit includes basic protections against overload, overvoltage and short circuit, a 1.5 m cable and an LED indicator; it is compact and lightweight (50 × 80 × 32 mm, 120 g).
Advantages
The EMOS 1703225021 offers a wide adjustable voltage range (3–12 V) and multiple connector sizes for universal compatibility with many small devices. Built-in protections for overload, overvoltage and short circuit increase operational safety. A single USB output (5 V / 2.0 A, 10 W) provides convenient charging for USB-powered gadgets while the included cable length and compact dimensions simplify placement and transport.
Suitable for
 Powering portable electronic devices that accept 3–12 V DC
 Charging USB devices at 5 V / 2.0 A
 Replacement or testing of existing DC adapters for small appliances and hobby electronics
 Workshops and DIY projects requiring a compact adjustable power source
Key specifications
 Model: EMOS 1703225021
 Input: 100–240 V ~, 50/60 Hz
 Output voltage: adjustable 3 V, 4.5 V, 5 V, 6 V, 7.5 V, 9 V, 12 V
 Output current: max. 2 250 mA (2.25 A)
 USB output: 1× USB 5 V / 2.0 A (10 W), total USB output 5 V / 2.0 A
 Connector set (examples of dimensions): B 3.5/15, C 3.0×1.0/10, D 5.0×2.1/12, G 5.5×2.5/10, H 3.5×1.35/10, I 4×1.7/10, S 2.35×0.75/8.7
 Cable length: 1.5 m
 Protections: overload, overvoltage, short circuit
 Indicator: LED
 Dimensions: 50 × 80 × 32 mm
 Weight: 120 g
 Packaging: blister, 1 pc
How to use
Select the required output voltage on the adapter, attach the matching DC connector from the included set and connect the power supply to the device’s DC input. For USB charging, plug a USB cable into the adapter’s USB port. Connect the adapter to mains (100–240 V) and verify the LED indicator to confirm power. If the connected device requires a specific polarity, ensure the correct connector orientation before applying power.
Usage recommendations
Use the adapter within the specified output voltage and current limits and choose the correct connector size to avoid damage. Do not exceed the adapter’s maximum current rating. Keep the unit in a dry, ventilated place and disconnect from mains before changing connectors or making adjustments.

## FAQ

### How much does the Power supply EMOS 1703225021 3–12V 2250mAh cost, and is it available for purchase?

The price is 20.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 12 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 09.07.2026 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 EMOS 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 EMOS 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/3516639/51089138_large.webp