---
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: "Bs.446"
currency: BOB
in_stock: true
category: "Kwslin"
url: https://www.desertcart.bo/products/641572818-30w-reverse-polarity-ac-adapter-ac-dc-power-supply-9
store_origin: BO
region: Bolivia
---

# Adjustable 3V-12V voltage with 2A output Dual polarity for max device compatibility 9 adapter tips for perfect 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:** Bs.446
**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?** Bs.446 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.bo](https://www.desertcart.bo/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

- • **Cost-Smart Solution:** Replace multiple chargers with one versatile adapter and save money and space.
- • **All-in-One Adapter Kit:** 9 precision tips included to guarantee seamless connection with your gadgets.
- • **High Output Efficiency:** Delivers a steady 2 Amp current ensuring reliable performance for demanding electronics.
- • **Plug & Play Convenience:** Clearly labeled tips and voltage key make setup quick and hassle-free.
- • **Universal Power Flexibility:** Switch polarity & voltage effortlessly to power any device from 3V to 12V.

## Overview

The KWSLIN 30W Reverse Polarity AC Adapter is a versatile power supply designed for professionals managing multiple devices. Featuring dual polarity switching, adjustable voltage from 3V to 12V, and 9 interchangeable tips, it supports a wide range of household electronics including BT speakers, LED strips, and more. With a robust 2 Amp output, this compact 80g adapter offers a cost-effective, space-saving solution to replace multiple chargers, ensuring reliable and flexible power delivery for your tech ecosystem.

## 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 | #59,938 in Electronics ( See Top 100 in Electronics ) #262 in AC Adapters |
| Manufacturer | KWSLIN |
| Product Dimensions | 3 x 5 x 7 cm; 80 g |

## Product Details

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

## 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.bo/products/641572818-30w-reverse-polarity-ac-adapter-ac-dc-power-supply-9](https://www.desertcart.bo/products/641572818-30w-reverse-polarity-ac-adapter-ac-dc-power-supply-9)

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*Product available on Desertcart Bolivia*
*Store origin: BO*
*Last updated: 2026-02-13*