---
product_id: 641572818
title: "30W Reverse Polarity AC Adapter, AC/DC Power Supply, with 9 Pieces Adaptor Tips, Compatible with 3V to 12V Household Electronics, BT Speakers, LCD LED Light Strip Charger, 2Amp Output"
brand: "kwslin"
price: "€ 30.05"
currency: EUR
in_stock: true
category: "Kwslin"
url: https://www.desertcart.de/products/641572818-30w-reverse-polarity-ac-adapter-ac-dc-power-supply-9
store_origin: DE
region: Germany
---

# 2A output with adjustable 3-12V voltage Dual polarity for ultimate device compatibility 9 adapter tips for perfect plug fit 30W Reverse Polarity AC Adapter, AC/DC Power Supply, with 9 Pieces Adaptor Tips, Compatible with 3V to 12V Household Electronics, BT Speakers, LCD LED Light Strip Charger, 2Amp Output

**Brand:** kwslin
**Price:** € 30.05
**Availability:** ✅ In Stock

## Summary

> ⚡ Power up smarter, not harder — the only adapter your tech tribe needs!

## Quick Answers

- **What is this?** 30W Reverse Polarity AC Adapter, AC/DC Power Supply, with 9 Pieces Adaptor Tips, Compatible with 3V to 12V Household Electronics, BT Speakers, LCD LED Light Strip Charger, 2Amp Output by kwslin
- **How much does it cost?** € 30.05 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.de](https://www.desertcart.de/products/641572818-30w-reverse-polarity-ac-adapter-ac-dc-power-supply-9)

## Best For

- kwslin enthusiasts

## Why This Product

- Trusted kwslin brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Compact & Travel-Ready:** Lightweight 80g design with clearly marked tips ensures hassle-free use anywhere.
- • **Precision Voltage Control:** Easily dial in the exact voltage (3V-12V) your device demands with the included adjustment key.
- • **Broad Device Compatibility:** Power everything from BT speakers to LED strips and keyboards with one sleek adapter.
- • **Universal Power Flexibility:** Switch effortlessly between devices with dual polarity and 9 versatile adapter tips.
- • **Cost-Effective Power Solution:** Replace multiple bulky adapters and save money with this all-in-one charger.

## Overview

The KWSLIN 30W Reverse Polarity AC Adapter is a compact, versatile power supply featuring dual polarity and 9 interchangeable tips. It supports adjustable voltages from 3V to 12V at 2A output, making it compatible with a wide range of household electronics including BT speakers, LED strips, and musical instruments. Designed for convenience and cost savings, it replaces multiple adapters with one universal solution.

## Description

KWSLIN 30W Reverse Polarity AC Adapter, AC/DC Power Supply, with 9 Pieces Adaptor Tips, Compatible with 3V to 12V Household Electronics, BT Speakers, LCD LED Light Strip Charger, 2Amp Output : desertcart.ae: Electronics

## Features

- 🔥【Dual Polarity Design】 The Reverse Polarity Power Adaptor stands out with its unique dual polarity feature, allowing for reversible and changeable polarity. Unlike most adapters with single polarity, this AC Adapter offers the flexibility to adapt to various devices with different polarity requirements.
- 🔥【Adjustable Voltage】 Equipped with 9 changeable adapter plugs and a convenient key for voltage adjustment, this universal adapter allows you to easily set the voltage to fit your specific appliance. The different plug sizes ensure a perfect fit for your devices, solving a variety of power supply problems.
- 🔥【Wide Compatibility】 This power supply is suitable for a wide range of devices, including routers, speakers, monitors, cameras, smartphones, LED strips, pianos, keyboards, effect pedal boards, and various household electronics. It provides DC output options of 3V, 4.5V, 5V, 6V, 7.5V, 9V, and 12V with a 2000mA load, making it versatile for multiple applications.
- 🔥【Cost-Saving Solution】 By owning this AC/ DC adapter, you can use it for multiple devices and replace numerous old power adapters. This not only saves you the cost of buying new electronic devices but also eliminates the need for extra original expensive power supplies, providing a cost-effective solution.
- 🔥【Convenient Package】 The package includes 1 x 3-12V universal adapter, 9 x changeable adapter tips, and 1 x key for voltage adjustment. Each adapter tip is clearly marked with dimensions, ensuring a hassle-free and convenient experience for you.
- 🔥【Versatile Application】 With its reverse polarity feature and wide compatibility, this universal adapter is a versatile solution for your power supply needs. Whether it's for home electronics, musical instruments, or other devices, this adapter offers the flexibility and convenience you need.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0D7D1F5T2 |
| Best Sellers Rank | #59,914 in Electronics ( See Top 100 in Electronics ) #266 in AC Adapters |
| Brand | KWSLIN |
| Color | Black |
| Colour | Black |
| Customer Reviews | 5.0 out of 5 stars 1 Review |
| Input Voltage | 12 Volts |
| Input voltage | 12 Volts |
| Item Dimensions | 30 x 50 x 70 millimeters |
| Item Weight | 80 Grams |
| Item dimensions L x W x H | 30 x 50 x 70 millimeters |
| Item weight | 80 Grams |
| Manufacturer | KWSLIN |
| Plug Type | Type G |
| Plug type | Type G |
| UPC | 765551421376 |

## Product Details

- **Brand:** KWSLIN
- **Item weight:** 80 Grams
- **Input voltage:** 12 Volts
- **Item dimensions L x W x H:** 30 x 50 x 70 millimeters
- **UPC:** 765551421376

## Images

![30W Reverse Polarity AC Adapter, AC/DC Power Supply, with 9 Pieces Adaptor Tips, Compatible with 3V to 12V Household Electronics, BT Speakers, LCD LED Light Strip Charger, 2Amp Output - Image 1](https://m.media-amazon.com/images/I/6177UwGPChL.jpg)

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**Shop now:** [https://www.desertcart.de/products/641572818-30w-reverse-polarity-ac-adapter-ac-dc-power-supply-9](https://www.desertcart.de/products/641572818-30w-reverse-polarity-ac-adapter-ac-dc-power-supply-9)

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*Product available on Desertcart Germany*
*Store origin: DE*
*Last updated: 2026-02-05*