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Overview

Adjustable 3V–12V AC to DC adapter with USB 5V/2.1A and 15 straight tips for powering LED strips, CCTV, GPS, routers, toys, speakers, webcams, DVRs, massage guns & more. Includes polarity converter for guitar pedals and keyboards. Global 100–240V input, short-circuit, overload & overvoltage protection, compact build, and 1.2M cable—perfect for home or travel.

30W Universal AC DC Adapter 3V 4.5V 5V 6V 7.5V 9V 12V Adjustable Power Supply with USB 5V/2.1A, 15 Straight Tips & Polarity Converter for LED Strip, CCTV, Router, Toy, Speaker, GPS

Model: D7-230710-34
Web Code: 17170877
Sold and shipped by | 3.7 seller rating (2,401 reviews)

Sale ends: *

Available for deliveryAvailable online only

Delivery times vary by location. Most Marketplace items leave sellers' locations within 2 business days. Allow additional time for shipping.

Seller Return Policy

Warranty

Check with the manufacturer for details.

For Quebec residents: See the Availability Guarantee disclosure in the Specifications section below.

🔌 All-in-One Adjustable Power Adapter for Home & Office

This 30W multi-voltage AC to DC adapter is designed to power over 90% of 3V–12V electronic devices. With switchable outputs of 3V/4.5V/5V/6V/7.5V/9V/12V and a USB 5V/2.1A port, it supports a wide range of gadgets like LED strip lights, GPS units, Bluetooth speakers, routers, webcams, game consoles, security cameras, DVRs, massage guns, and more.

🔁 Reverse Polarity Support for Specialized Gear

The included reverse polarity converter allows safe use with center-negative devices such as guitar effect pedals, electric keyboards, and other audio gear. Default polarity: inner positive (+), outer negative (−).

🧩 15 Straight DC Tips Included – Plug & Power

Enjoy broad compatibility with the following 15 straight-style tips:

6.5 × 4.4 mm + Pin

6.3 × 3.0 mm

5.5 × 3.0 mm + Pin

5.5 × 2.1 mm

5.5 × 1.7 mm

5.0 × 2.5 mm

5.0 × 3.0 mm

4.8 × 1.7 mm

4.0 × 1.7 mm

3.5 × 1.35 mm

3.0 × 1.1 mm

2.5 × 0.7 mm

Micro-USB

Type-C

DC Terminal Connector

🛡️ Safe, Efficient & Travel-Friendly

Equipped with over voltage, overload, and short-circuit protection, this adapter ensures your devices are powered safely and reliably. Built with high-efficiency components, it offers low ripple output, cool operation, and long-lasting durability.

The 1.2m power cord, compact body, and global AC input (100–240V) make it ideal for both home and travel use.

🔹 🔍 Key Specifications

Output Voltage: 3V to 12V DC (adjustable)

USB Port: 5V / 2.1A

Input Voltage: AC 100–240V, 50/60Hz

Rated Power: 30W Max

Connector Tips: 15 straight DC plugs + reverse polarity adapter

Cable Length: 1.2 meters

Material: ABS + PC

Package Size: 12 × 12 × 6.2 cm

Weight: 182g

Safety: Overload, overvoltage, short-circuit protection

Product Condition
Brand New
Type C
Yes
Colour
Black

For Quebec residents – Disclosure under the Consumer Protection Act

In compliance with Bill 29, Best Buy and third-party sellers on Best Buy Marketplace do not guarantee the availability of replacement parts, repair services, or maintenance information for any products. Coverage provided through any Best Buy Protection programs and applicable manufacturer warranties, if any, remain in place. Please contact the manufacturer directly for information about their availability guarantee.

Shipping Charges

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Processing Time

Most items ship within 2 business days after an order is placed*. Allow additional time for shipping to your address.
*Please note: If an item you ordered becomes unavailable, you'll be notified and a full refund will be processed within 2 business days.

Shipping Area Restrictions

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  • No restrictions in Canada
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Product Category
Luggage and bags
Return/Exchange Period
30 days
Condition
Opened

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