Voltage Transformers & Regulators price list
Last updated Tuesday, Nov 3, 2026
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Last updated Tuesday, Nov 3, 2026
Choosing the right voltage transformer or regulator can feel like matching the correct key to a lock. The product may look small, but its input range, output control, current capacity, protection features, and intended use all matter. A compact module for a battery-powered project is not the same as a relay for a marine electrical system or a transformer for an audio installation.
ZoneOffer is a comparison site that helps you review listed products from different sellers in one place. The reference selection includes transformers, voltage-sensing equipment, buck converters, boost modules, and adjustable power supplies. Prices shown in this guide are the listed prices in the supplied data and may change.
Voltage equipment manages electrical power in different ways. A transformer can transfer electrical energy between circuits, while a regulator or converter changes and controls voltage for a connected device. Some products step voltage down, some step it up, and others monitor electrical conditions or help manage charging.
Think of voltage as water pressure moving through a pipe. A regulator helps keep that pressure within a chosen range, while a converter can adapt the supply so the connected equipment receives the level it needs. Selecting the wrong type can lead to poor performance or damage, so the first step is understanding the job.
The Bogen TBL1S Transformer Balanced Line is designed around audio line-level applications. Its listed features include transformer-isolated line-level input, gain trim, bass and treble controls, variable ducking when muted, and fade-back from mute. It has screw terminals and listed dimensions of 4 by 2 by 4 inches, with a weight of 0.25 pound. The listed price is $80.12.
The Blue Sea 8073 AC Current Transformer is another type of transformer product. Its listing identifies it as an AC current transformer, priced at $23.12. Unlike an adjustable DC power module, this product is intended for current-transformer applications, so shoppers should compare its role rather than focusing only on the word “transformer.”
A relay performs a different task. The BEP 710-140A Digital Voltage Sensing Relay is listed for 12- or 24-volt systems and costs $115.12. Voltage-sensing equipment can be relevant when a system needs to respond to changing voltage conditions, but buyers should review the complete technical requirements before choosing it.
If you need to reduce DC voltage and control current, adjustable buck modules may be more suitable than a traditional transformer. Several products in the reference data offer displays, adjustable output, or constant-voltage and constant-current operation.
The RIDEN RD6012 or RD6012W USB Wi-Fi DC-to-DC step-down power supply module is listed at $90.00. Its technical data describes an input range from 6 to 70 volts, with output options reaching 60 volts and either 6 amps or 12 amps depending on the model. The listed power range reaches 360 watts or 720 watts, again depending on the selected version.
The RIDEN listing also includes voltage and current measurement functions, battery-voltage measurement, capacity and energy statistics, constant-voltage mode, constant-current mode, and an external temperature sensor. The description identifies a buck working mode and lists a cooling fan that activates under specified output, current, or system-temperature conditions.
The WUZHI WZ5020L is listed as a DC-to-DC 50-volt, 20-amp, 1,000-watt buck converter. Its price in the reference data is $23.99. The product is a step-down module, not a boost converter, so the output cannot be raised above the input supply.
The listed input range is 6 to 55 volts, while the output can be adjusted from 0 to 50 volts and from 0 to 20 amps. Its LCD can display input voltage, output voltage, output current, output power, output capacity, and operating time. The listing also describes software protection mechanisms, adjustable protection thresholds, synchronous rectification, a heat sink, and a fan.
That combination may appeal to users who want more information than a basic fixed-output board provides. Still, the input and output limits should be checked carefully. For example, the product description states that if the desired output is 12 volts, the minimum input should be 14 volts. That is an important distinction for anyone building a regulated supply.
Not every project needs a large adjustable power supply. Small electronics, sensors, boards, cameras, and battery-powered equipment may need a compact module that raises a lower DC input to a higher output.
The Eletechsup 7-watt mini DC-to-DC boost step-up converter is listed at $8.99. It accepts a DC input in the listed range of 2.6 to 5.5 volts, depending on the selected output configuration. Output choices include 5, 6, 9, or 12 volts.
The listing provides different maximum output-current figures for those settings. The 5-volt version is listed up to 1,300 milliamps, the 6-volt version up to 1,200 milliamps, the 9-volt version up to 800 milliamps, and the 12-volt version up to 600 milliamps. These figures show why output voltage and available current should be considered together.
The Eletechsup module listing includes over-current, over-voltage, short-circuit, and over-temperature protection. It is also described for uses such as instrumentation, breadboards, displays, LED equipment, small motors, cameras, routers, programmable-control devices, and battery-powered equipment.
Its listed size is approximately 0.83 by 0.43 by 0.16 inches, and its listed weight is about 0.05 ounce. That compact format can be useful where enclosure space is limited. However, the product description also warns that input voltage must remain within the specified range and that output power should not exceed the maximum load continuously.
The Sinilink SK60X or SK120X CNC buck-boost DC adjustable voltage regulator is listed at $41.00. Its description includes constant-voltage and constant-current operation, MPPT solar charging support, serial communication using the Modbus standard, firmware upgrades, an external temperature probe, and an anti-backflow function.
The SK60X and SK120X versions are listed with a 6-to-36-volt input range. The SK60X is described with a 0-to-5-amp output range and 60 watts of output power, while the SK120X is described with a 0-to-6-amp output range and 120 watts of output power. Both are listed with an output range of 0 to 36 volts and conversion efficiency of around 88 percent.
The product also includes an LCD panel, silicone buttons, a flame-retardant integrated case, and a double-layer circuit-board design. These details may matter if you are assembling a project that needs visible readings and adjustable controls rather than a simple fixed converter.
A buck converter reduces voltage, while a boost converter raises it. A buck-boost design is intended for applications where the supply voltage may be above or below the desired output. That flexibility can be valuable in battery and solar projects, where the available voltage may change during operation.
The Sinilink listing specifically mentions rechargeable-battery charging, MPPT solar charging, over-temperature protection, and anti-backflow operation. Those features do not mean the unit is automatically suitable for every battery or solar setup. Instead, they give you a starting point for comparing its capabilities with the requirements of your project.
The Bogen TBL1S stands apart from the power-control modules in the selection. It is listed as a balanced-line transformer with a transformer-isolated line-level input. The description also mentions gain trimming, bass and treble controls, variable ducking during mute, fade-back from mute, and input modules.
These features point toward audio-system integration rather than battery charging or general-purpose voltage conversion. The unit is listed with screw-terminal connections, retail-box packaging, a 2-year warranty, and a South Korean country of origin provided by the manufacturer. The listing notes that compliance information was not independently verified.
When comparing an audio transformer, ask a different set of questions than you would for a power regulator. Does the unit suit the signal type? Does it offer the connection method you need? Are the controls relevant to your installation? Looking only at voltage terminology can send you down the wrong path.
The Steren 200-500 Match Xformer Indoor is listed at $2.12, making it the lowest-priced product in the supplied selection. It is described as an impedance-matching balun with 75- to 300-ohm impedance matching and bandwidth from 5 to 900 megahertz for UHF, VHF, and FM applications.
The listing includes adapters and couplers, with dimensions of 1 by 1 by 1 inch and a weight of 0.1 pound. It is listed with a 90-day warranty and plastic-bag packaging. This is a specialized connection accessory rather than a variable DC power regulator, so it should be compared with similar signal and antenna accessories.
Impedance matching helps equipment communicate through a compatible connection. If two parts of a system are designed for different impedance levels, the signal may not transfer as intended. The Steren product is therefore aimed at a narrower task than the adjustable modules from RIDEN, WUZHI, or Sinilink.
Its low price may make it attractive for a straightforward indoor matching requirement, but the important question is compatibility. Check the equipment’s connection type and impedance before choosing any matching transformer or balun.
The BEP 710-140A Digital Voltage Sensing Relay is listed for 12- and 24-volt systems. The Blue Sea 8073 is listed as an AC current transformer. Both products appear in the electrical-equipment portion of the reference data, but they serve different functions.
A voltage-sensing relay is associated with monitoring voltage and switching behavior, while a current transformer is associated with measuring or transforming current. If you are working on a marine or vehicle-related electrical system, begin by identifying whether your project needs voltage sensing, current measurement, power conversion, or isolation.
Do not choose based solely on a product’s amperage or price. A higher number does not automatically make one device better for your system. The correct match depends on the system voltage, current demand, connection arrangement, and the role the device must perform.
Start with the input type. The WUZHI, RIDEN, Sinilink, and Eletechsup products are described as DC equipment, while the Steren and Bogen products address signal or line applications, and the Blue Sea product is identified as an AC current transformer. Using an AC source where a DC-only module is required would be a fundamental mismatch.
Next, check the output requirement. Do you need one fixed output, an adjustable voltage, a step-down function, a step-up function, or a wider buck-boost range? The Eletechsup module offers selected step-up outputs, the WUZHI module steps voltage down, and the Sinilink unit offers a broader adjustable design.
Then consider current and power. A device may support the required voltage but still lack the current capacity for the load. The supplied listings provide useful comparisons, from the Eletechsup module’s small output ratings to the WUZHI unit’s listed 1,000-watt power range and the RIDEN unit’s listed 360- or 720-watt versions.
Displays can make setup easier because you can observe voltage, current, power, or capacity while adjusting the unit. The RIDEN and WUZHI listings both describe measurement or display functions, while the Sinilink listing highlights an LCD screen and illuminated buttons.
Protection features are also worth comparing. The Eletechsup listing includes over-current, over-voltage, short-circuit, and over-temperature protection. The WUZHI description mentions adjustable software protection, while the Sinilink product includes an external temperature probe and over-temperature protection. These features can support safer project design, but they do not replace correct wiring and appropriate electrical practices.
The listed prices range from $2.12 for the Steren 200-500 Match Xformer Indoor to $115.12 for the BEP 710-140A Digital Voltage Sensing Relay. Other listed prices include $8.99 for the Eletechsup boost module, $23.12 for the Blue Sea 8073, $23.99 for the WUZHI WZ5020L, $35.90 for the Thinkvape Thor 200W product, $41.00 for the Sinilink SK60X or SK120X, $56.90 for the Venvii Baby Ness product, $80.12 for the Bogen TBL1S, and $90.00 for the RIDEN module.
The two box-mod products in the reference data—the Authentic Venvii Baby Ness 120W and Authentic Thinkvape Thor 200W—are listed with temperature-control and variable-wattage descriptions. They are not general-purpose voltage regulators, transformers, or power-supply modules, so shoppers should keep them separate from the electrical-conversion products when comparing options.
Price alone is a poor shortcut. A small boost board, an audio transformer, and a digital relay solve different problems. The best value is the product that fits the electrical task without requiring unnecessary features or creating a compatibility issue.
Before buying, write down the source voltage, desired output voltage, expected current, and whether the source is AC or DC. Also note whether the application needs isolation, signal matching, charging control, a display, temperature monitoring, or communication features.
Read the limits carefully. The Eletechsup listing warns against exceeding its maximum input range and continuous load. The WUZHI listing states that it cannot boost voltage. The RIDEN and Sinilink descriptions provide model-dependent ratings, so make sure you are comparing the correct version rather than combining specifications from different models.
Finally, inspect the physical installation requirements. The Bogen has screw terminals and listed dimensions in inches. The Eletechsup board is designed for very small projects. The WUZHI unit includes a heat sink and fan in its description. These differences can affect whether a product fits your enclosure, wiring plan, and cooling arrangement.
The reference selection covers a wide range of voltage and electrical solutions, from the compact Eletechsup boost module to the high-capacity WUZHI and RIDEN step-down supplies, the flexible Sinilink buck-boost regulator, and specialized products from Bogen, BEP, Blue Sea, and Steren. Compare function first, then voltage, current, power, protection, physical size, and price. By treating each product as a tool for a specific job, you can use ZoneOffer’s comparison listings more confidently and narrow your search without guessing.



