SWTPWR 12V power supply front view for compact LED strip and CCTV setups.
SWTPWR 12V power supply side view highlighting intelligent cooling and durable shell.
SWTPWR internal coils and transformer for efficient voltage conversion.
SWTPWR accessories showing clips, lugs, and screws for versatile connections.
SWTPWR smart cooling fan actively managing heat during use.
SWTPWR matte aluminum shell resists fingerprints for a clean appearance.
SWTPWR caution label indicating suitability for DC constant voltage devices like LED and CCTV.

SWTPWR

SWTPWR 12V Power Supply AC to DC Converter 110-120V to 12V 30A 360W with Smart Cooling Fan

Free U.S. shipping and free 30-day returns. Check the compatible models in the description below.

$21.48

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Check the listed compatible models and specs before you order. Questions? Email us.

Multi-device One for each device (3)

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Free tracked shipping on every order. Most orders arrive within 3–8 business days.

Free 30-day returns

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Return eligible items within 30 days of delivery for a full refund. We email you a prepaid return label.

Peak-demand shipping delays

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During high demand, deliveries may experience short carrier delays. Tracking updates remain active for every order.

Email support

Questions about fit or an order? Email nexoltic@gmail.com. We reply on business days (Mon–Fri).

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Product details

Overview

The upgraded SWTPWR 12V Power Supply delivers a steady 12V DC output up to 30A (360W) from 110–120V mains. Built for versatility, it supports LED strips, CCTV systems, and car devices, and ships with multiple accessories that enable four distinct connection configurations to fit a range of setups. The unit carries UL, CE, and RoHS certifications and features a design patent protecting its appearance, underscoring a blend of safety, reliability, and thoughtful design.

Key features and protections

  • New edition includes 2 alligator clips, 2 copper lugs, 2 M3 screws, and 2 star screws, plus four connection options for different devices.
  • One-click red power switch simplifies on/off operation. Multiple protections guard against short circuits, overcurrents, overload, and overheating.
  • Matte aluminum shell offers anti-slip handling, fingerprint resistance, and a refined, premium feel that stays clean over time.
  • High-quality internal components, including oxygen-free copper coils and robust transformers, support stable voltage and reduce energy loss.
  • EMI filter capacitors help deliver clean output by minimizing electrical noise and interference.

Design for reliability and efficiency

The perforated aluminum enclosure improves heat dissipation, while an intelligent cooling fan with a temperature sensor starts automatically when the internal temperature rises. This keeps the unit operating within safe temperatures during longer use.

Usage scenarios and capabilities

Designed for DC constant-voltage loads, this supply is well-suited for 12V lighting, signage, CCTV surveillance gear, and various car electronics. It can power other DC-constant-voltage devices within its 360W limit when used within rated conditions. Note that it is not a battery charger.

Safety, cautions, and best practices

Important cautions include: not intended for battery charging; for motor-driven devices, choose a supply rated at least twice the motor’s rated power to ensure safe operation.

What’s in the box

  • 2 x alligator clips
  • 2 x copper lugs
  • 2 x M3 screws
  • 2 x star screws

FAQ

Q: What devices can the SWTPWR 12V power supply power?

A: Designed for DC 12V loads such as LED strips, CCTV cameras, illuminated signs, and automation gear; not intended for battery charging.

Q: What protections are included and what about usage with motors?

A: Includes short-circuit, overcurrent, overload, and overtemperature protections; for motor-driven devices, choose a supply rated at least twice the motor's power.

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