Overview

The SKY TOPPOWER STP1330 13.8V 30A Power Supply is designed to provide reliable, stable DC power for a variety of devices. This power unit efficiently converts 110V AC to 13.8V DC, with a peak current of up to 30A. Its compact size makes it ideal for use in limited spaces, while the integrated cooling fan ensures the unit remains safe even under load. With features like short-circuit protection, it's a great option for anyone needing a dependable power supply for electronics like ham radios and mobile devices.

Features & Benefits

This power unit is packed with features to enhance both performance and safety. The adjustable noise control helps eliminate unwanted interference, making it ideal for sensitive equipment like radios. For added convenience, it includes a 10A cigarette lighter socket, allowing users to charge devices directly. The backlit voltage and current meters make it easy to monitor power levels, while the built-in safety features, including overload and short-circuit protection, give peace of mind during use. It’s a versatile and well-rounded power supply.

Best For

The SKY TOPPOWER STP1330 is best suited for amateur radio operators who need stable DC power for their setups. It also serves well for users requiring reliable power on the go, especially mobile device owners who rely on the 10A cigarette lighter socket for charging. Additionally, its robust performance makes it a strong choice for lab environments, home projects, or anyone looking for a dependable power supply for electronics. It combines portability with high output, meeting the needs of both hobbyists and professionals.

User Feedback

Many users appreciate the compact size and how easy it is to set up, especially for use with ham radios and mobile devices. The built-in cooling fan works well, activating automatically at 55°C to prevent overheating, although a few users have noted that it could be quieter under load. The unit’s stability and performance are often highlighted, though some wish for a slightly more refined user interface for monitoring the output. Overall, it’s a reliable power supply that fits many diverse needs, from home labs to field setups.

Pros

  • Provides stable 13.8V output, ideal for ham radios, CB scanners, and other sensitive electronics.
  • The built-in cooling fan ensures safe operation, especially under heavy loads.
  • Compact size makes it easy to transport and store for mobile use or in tight spaces.
  • Adjustable noise control helps minimize interference for clearer radio signals.
  • The 10A cigarette lighter socket allows for convenient charging of portable devices.
  • Backlit voltage/current meters offer easy and real-time monitoring of power levels.

Cons

  • Some users reported noise from the cooling fan when the unit operates at high temperatures.
  • The unit may not be suitable for those needing consistent high-output for larger setups.
  • A few buyers found it slightly heavier than expected for its size, limiting portability.
  • The fan's auto-activation at 55°C may still be disruptive for users in very quiet environments.
  • Not ideal for those seeking a completely silent power supply for noise-sensitive applications.
  • A handful of users noted that the fuse replacement process could be tricky for beginners.

Ratings

After analyzing verified user reviews worldwide across multiple languages and platforms, the scores for this 13.8V power supply reflect a diverse range of feedback from genuine users. The reviews were carefully filtered to exclude spam, bot-generated content, incentivized posts, and exaggerated claims. Both strengths and pain points have been considered, resulting in a balanced set of ratings that can help guide potential buyers.

Performance
88%
Many users praise the stable 13.8V output, which works well for various electronics like ham radios and CB scanners. The 30A peak current delivers reliable power even under moderate load, ensuring smooth operation. This performance makes it suitable for both hobbyists and professional setups.
Some users note that the power supply can experience minor fluctuations under heavy use, especially when running multiple devices. While the 30A peak is impressive, some wished for slightly higher continuous current for certain high-demand applications.
Build Quality
85%
The compact design and metal casing give this unit a solid, durable feel. The inclusion of rubber feet ensures it stays stable on most surfaces, even during heavy use. Users report that it can withstand prolonged use without signs of wear or overheating.
A few buyers have pointed out that the cooling fan, while effective, adds some noise when the unit heats up. Additionally, some users found the compact form factor slightly limiting in terms of ventilation space, especially during extended use.
Noise Control
78%
22%
The adjustable noise control feature is highly appreciated, especially by amateur radio operators. Users can fine-tune interference to ensure cleaner signals, making this power supply ideal for sensitive equipment. It helps maintain a steady, interference-free performance.
While the noise control feature is useful, it doesn't eliminate all interference in some cases. A few users mentioned that the unit could still pick up minor noise spikes when operating near other electronic devices, which can be annoying during certain setups.
Ease of Use
90%
The user-friendly design of this power unit is often mentioned in reviews, especially the backlit voltage and current meters, which make monitoring easy. The 10A cigarette lighter socket is also a bonus for users who need portable device charging, enhancing overall convenience.
Some users felt that the setup could be slightly easier, especially for beginners. A few mentioned that the manual could provide clearer instructions for first-time users unfamiliar with power supplies of this type.
Reliability
91%
This unit consistently receives high marks for reliability. Users report that it performs well over long periods without failure, whether in home labs or mobile setups. The built-in protections, such as overload and short-circuit protection, contribute to its dependability.
Although reliability is strong, a few users experienced minor issues after long-term use, such as the cooling fan becoming louder or the unit failing to output a stable current when close to peak limits. However, these cases appear rare.
Cooling Efficiency
84%
The cooling fan is effective at keeping the unit within safe operating temperatures, even when it's under heavy load. Users appreciate that the fan activates at 55°C, providing additional safety without interfering with performance.
While the cooling system works well, some users have noted that the fan can get noisy when it kicks in. A few wished for quieter fan operation, especially when using the power supply in quieter environments.
Portability
80%
20%
Weighing in at just 3.3 lbs and with its compact dimensions, this power unit is portable enough for hobbyists or mobile users. It can be easily transported for on-the-go setups, making it a great option for traveling technicians or radio enthusiasts.
While compact, some users noted that its portability might be limited by the need for a power outlet and its slightly bulky design compared to more lightweight, entry-level options. It’s not the most space-efficient power supply for small mobile setups.
Safety Features
93%
The safety features, including overload protection, short-circuit protection, and the replaceable 8A fuse, are a significant selling point for users concerned with device safety. These features add peace of mind, ensuring that the power supply remains safe during extended or high-demand use.
Though the safety features are highly praised, a few users found that they were not as effective when the unit was used in extreme conditions for prolonged periods. In rare cases, a fuse blew unexpectedly during heavy-duty operations, though this was often attributed to misuse or setup errors.
Setup and Installation
87%
Setting up this power supply is straightforward, especially with its clear backlit meters and user-friendly layout. The included manual provides adequate guidance, and the connections are easy to manage. Most users report a hassle-free installation process.
A small subset of users felt that the wiring process could have been more intuitive, particularly for those who are new to power supplies. A few buyers also mentioned that the manual could be more detailed in terms of installation troubleshooting.
Value for Money
92%
The combination of reliable performance, safety features, and portability makes this unit an excellent value for the price. Users feel that it offers great bang for the buck compared to other similar power supplies in this category, especially considering its range of features.
While generally seen as a good value, a few users mentioned that the price could be a bit steep for casual users who only need a basic power supply. However, the majority feel that the added reliability and features justify the investment.
Customer Support
75%
25%
When issues arise, some users report positive interactions with the customer support team, who are helpful in resolving minor concerns. The warranty support is also valued by users, providing reassurance if anything goes wrong within the coverage period.
Some customers have expressed frustration with slow response times from support, particularly during peak seasons. Additionally, there have been occasional complaints about the support team not being fully knowledgeable about specific technical issues.
Compactness
79%
21%
The compact size of this unit makes it easy to fit into tight spaces, which is especially useful for portable setups or home labs. Its smaller footprint doesn’t compromise its power output or stability, making it a solid choice for users with limited space.
While compact, a few users find it challenging to handle all the wiring in such a small form factor. The limited size can also result in some difficulty managing heat dissipation when running at full capacity for extended periods.
Long-term Durability
82%
18%
With solid construction and protective features, this power supply proves to be durable over time. Users report that, even after months of use, the unit continues to function reliably and shows minimal signs of wear.
Though durable overall, some users encountered issues with the cooling fan becoming louder after extended use. A few have also noted that, after long periods of heavy usage, the unit’s performance can degrade slightly, particularly in maintaining peak power output.
Power Output Consistency
89%
This unit consistently delivers stable power, even when used with multiple devices. Users appreciate the reliable voltage and current, which remain steady throughout extended periods of use. It’s an essential feature for applications that require a constant power supply.
Despite its overall consistency, some users experienced brief voltage drops when the unit was heavily loaded for a prolonged time. However, these occurrences were rare and often tied to specific high-demand situations.

Suitable for:

The SKY TOPPOWER STP1330 13.8V 30A Power Supply is an ideal choice for hobbyists, amateur radio operators, and mobile device users who require stable and reliable power. It is particularly beneficial for those using CB scanners, ham radios, or similar electronics that demand a constant 13.8V DC output. Its compact design and safety features, including overload protection, make it a great fit for individuals working in labs, home projects, or on-the-go setups. Additionally, those who need to charge mobile devices in outdoor or remote environments will appreciate its 10A cigarette lighter socket and portable nature.

Not suitable for:

While the SKY TOPPOWER STP1330 excels in many scenarios, it may not be the best fit for users who require a completely silent power supply. Some buyers noted that the cooling fan becomes noisy under high loads, which could be disruptive in quiet environments. Additionally, users who need extremely high continuous output for large equipment or high-demand setups might find the 20A continuous rating limiting. This device may also be less suitable for those who prioritize ultra-portability, as its compact size may still not be ideal for users seeking the smallest power options for ultra-portable setups.

Specifications

  • Output Voltage: Provides a stable 13.8V DC output, suitable for powering various electronics.
  • Maximum Output Current: Delivers up to 30A peak current and 20A continuous output.
  • Input Voltage: Operates with an input voltage of 110V AC ±10%, making it compatible with standard AC outlets.
  • Ripple Voltage: Ripple voltage is less than 80mVp-p at rated load, ensuring clean DC output for sensitive devices.
  • Cooling Fan: Includes an auto-activated cooling fan that starts at 55°C to prevent overheating.
  • Noise Control: Equipped with an adjustable noise-offset knob to minimize interference in audio and communication devices.
  • Cigarette Lighter Socket: Has a 10A max cigarette lighter socket for charging portable devices on the go.
  • Safety Features: Includes overload protection, short-circuit protection, and a replaceable 8A fuse to enhance safety.
  • Display: Features backlit voltage and current meters for easy monitoring of output parameters.
  • Dimensions: Measures 5.91 x 8.66 x 2.76 inches, offering a compact and space-saving design.
  • Weight: Weighs 1.5kg (3.3 lbs), making it relatively portable for a power supply of its capacity.
  • Material: Constructed with a metal casing and rubber feet for durability and stable placement.
  • Input Power Cord: Comes with a US power cord for straightforward connection to AC power outlets.
  • Fuse Type: Equipped with a replaceable 8A fuse for added protection against power surges.
  • Compatibility: Compatible with a wide range of devices, including ham radios, CB scanners, and mobile electronics.
  • Application: Ideal for hobbyists, mobile device users, and lab/home project applications.

FAQ

This power supply provides a stable 13.8V DC output with a peak current of up to 30A and a continuous output of 20A. It's designed to reliably power devices like ham radios, CB scanners, and mobile electronics.

To set it up, simply plug the power supply into a 110V AC outlet and connect the device you wish to power to the DC output terminals. The power supply includes a US power cord and user manual to guide you through installation.

Yes, this power unit includes a 10A cigarette lighter socket, making it ideal for charging mobile devices like phones and tablets while you're on the go.

Yes, the SKY TOPPOWER STP1330 features overload protection and short-circuit protection, ensuring safety during use. The device also has a replaceable 8A fuse for additional security.

Absolutely! This 13.8V power supply is ideal for amateur radio operators. Its stable DC output and adjustable noise control help minimize interference, making it a reliable choice for ham radios and other sensitive electronics.

The unit comes with a built-in cooling fan that activates automatically at 55°C to prevent overheating. This ensures that the power supply stays safe and efficient even under heavy loads.

While the cooling fan is generally quiet, it may become audible at higher temperatures when the fan activates. Some users have mentioned that it could be quieter, but this is normal for devices with active cooling systems.

Yes, this power supply is versatile enough for various home projects, including lab work. Its adjustable noise control and stable voltage make it suitable for powering experiments and smaller electronic setups.

If the power supply doesn't turn on, check the AC input to ensure it’s plugged in properly. Also, confirm that the fuse hasn’t blown or that there's no short-circuit condition. The user manual provides troubleshooting steps for these scenarios.

The unit is built with a metal casing and rubber feet, providing durability and stability during use. It's compact yet solidly constructed, making it a reliable tool for both home and mobile applications.