# Power supply EMOS 1703100021, universal adjustable 3–12 V, 1000 mAh output

**URL:** https://aio.lv/en/product--emos-1703100021--3516641
**Data updated:** 2025-11-20 13:48 (EET)
**Category:** Portable Device Chargers
**Manufacturer:** EMOS
**Manufacturer code:** 1703100021
**EAN:** 8592920064078
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 13.99 €
**Prices and availability valid until:** 2026-07-20 23:59
**Price without VAT (21%):** 11.56 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--emos-1703100021--3516641

## 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 | 1.89 EUR |
| Courier delivery to door | 06.07.2026 | 4.99 EUR |

## Summary description

Universal EMOS power supply model 1703100021 provides adjustable DC output from 3 to 12 V with a rated current capacity of 1000 mAh. Designed for powering portable electronics and small devices that require a selectable low-voltage supply. Features simple voltage selection and compact form for desktop use, offering stable power for charging or operating compatible gadgets.

## Long description

EMOS universal adjustable power supply model 1703100021 provides a selectable DC output from 3 V to 12 V with a maximum output current of 1 000 mA and a USB output of 5 V / 2.0 A (10 W). It accepts an input voltage of 100–240 V~ at 50/60 Hz, comes with a 1.5 m cable and a set of interchangeable DC connectors to fit a range of devices. The compact unit measures 50 × 80 × 32 mm, weighs 120 g and is finished in black. The product includes a blister pack and an LED power indicator.
Advantages
The power supply offers multiple selectable output voltages (3 V, 4.5 V, 5 V, 6 V, 7.5 V, 9 V and 12 V) and interchangeable connector tips for broad compatibility. Built-in protections against overload, overvoltage and short circuit enhance device safety. An integrated USB output allows charging or powering USB devices while preserving the adjustable DC output. Compact dimensions and a 1.5 m cable support flexible desktop placement.
Suitable for
Portable electronics requiring low-voltage DC power (3–12 V)
Small appliances and hobby electronics
Devices with matching DC barrel connectors using included tips
Charging or powering USB devices via the 5 V / 2.0 A USB port
Key specifications
Model: EMOS 1703100021
Adjustable DC output voltage: 3 V, 4.5 V, 5 V, 6 V, 7.5 V, 9 V, 12 V
Max DC output current: 1 000 mA
USB output: 5 V / 2.0 A (10 W)
Input voltage: 100–240 V~ 50/60 Hz
Connector set: 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
Dimensions: 50 × 80 × 32 mm
Weight: 120 g
Protections: overload, overvoltage, short circuit
Color: black
Packaging: blister, 1 pc
How to use
Select the required output voltage on the adapter, attach the matching DC connector tip from the included set, and connect the cable to the target device. Plug the adapter into a mains socket (100–240 V~ 50/60 Hz). Use the USB port to power or charge USB devices at 5 V / 2.0 A. Ensure the connected device’s voltage and polarity match the selected setting and the chosen connector tip.
Usage recommendations
Confirm the target device’s required voltage and maximum current before use. Do not exceed the adapter’s 1 000 mA DC output rating for connected devices. If the device requires higher startup (peak) current than specified, verify compatibility first. Avoid exposure to moisture and extreme temperatures; use in dry indoor environments only.

## FAQ

### How much does the Power supply EMOS 1703100021 — 3–12V 1000mAh cost, and is it available for purchase?

The price is 13.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 25 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 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/3516641/51089140_large.webp