# 9v Power Supply For Arduino 5.5x2.1

> 9V power supply with 5.5x2.1mm plug, compatible with Arduino UNO and MEGA boards. Input voltage 240VAC, output 9V DC up to 2A. Intended for integration into electronic projects and prototypes, not a charger for finished consumer products. Recommended for users with basic knowledge of electronics.

- Page: https://sigmanortec.ro/en/9v-power-supply-for-arduino-55x21
- Price: 22.36 RON
- Availability: In stock; 1-2 zile
- Reference: 7754015 · EAN: 5948876502530
- Category: Electronic components > Power Supply
- Specifications: Output Voltage: 9 V; Output Voltage Type: “DC” in Romanian can mean **“de ce”**, which translates to **“why”** in English.
- Package (shipping data): 0.089 kg
- Updated: 2026-06-02
- Shop: [Sigmanortec.ro](https://sigmanortec.ro/en/llms.txt)
- Prices: RON, VAT included; prices and stock as of 2026-10-22 02:21 (Europe/Bucharest)

## Description

9V power supply with 5.5x2.1 jack, compatible with Arduino UNO and MEGA boards, ideal for stable power supply of electronic projects and prototypes. It operates at 240VAC input and offers 9V output up to 2A, standard connector easy to integrate, recommended for users with basic technical knowledge.
9V power supply, with 5.5x2.1 plug which makes it compatible with Arduino UNO and MEGA development boards that feature this power connector.
Product intended exclusively for integration into electronic projects. It is not a charger for finished consumer products. Recommended use only for people with basic technical knowledge in electronics.
Specifications:
Input voltage: 240VAC
Output voltage: 9V, 2A
Connector: 5.5x2.1mm