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Today's Deals
Best High Voltage Dc Transformer of 2026
Last updated on 20/04/2026
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1
ALAMSCN 5PCS High Voltage Generator DC 3V-6V 1000KV Boost Step Up Power Module High Voltage Transformer (1000kV)
ALAMSCN
Why we love it
Powerful high voltage output.
Versatile for scientific experiments.
Compact and easy to wire.
Main Highlights
Input voltage: DC 3 V to 6 V. Input current: 2 A - 5 A.
High pressure type: the type of pulse current.Output voltage: 1000000 V (Please pay attention to safety).
High pressure discharge distance between: 10 mm - 20 mm.
Wiring: Red and green power connection, red line "+" black line "-" output: the other side, same color cable.
The high voltage generator can be used as a scientific experiment, electronic equipment, negative ion generator, high voltage source in the production of small science etc.
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9.8
Exceptional
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9.8
Exceptional
ALAMSCN
ALAMSCN 5PCS High Voltage Generator DC 3V-6V 1000KV Boost Step Up Power Module High Voltage Transformer (1000kV)
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Why we love it
Powerful high voltage output.
Versatile for scientific experiments.
Compact and easy to wire.
Main Highlights
Input voltage: DC 3 V to 6 V. Input current: 2 A - 5 A.
High pressure type: the type of pulse current.Output voltage: 1000000 V (Please pay attention to safety).
High pressure discharge distance between: 10 mm - 20 mm.
Wiring: Red and green power connection, red line "+" black line "-" output: the other side, same color cable.
The high voltage generator can be used as a scientific experiment, electronic equipment, negative ion generator, high voltage source in the production of small science etc.
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Value for Money
2
JZK DC 3-12V 5A Adjustable Variable AC/DC Adapter Charger with LED Voltage Display, Universal Power Supply Transformer 60W Max 100-240V AC to DC Converter 3V 4V 4.5V 5V 6V 7V 8V 9V 10V 12V
JZK
Why we love it
Adjustable voltage for versatility.
LED display ensures accurate monitoring.
Built-in safety features for protection.
Main Highlights
Package contains:1 piece of 3-12v 5A Voltage adjustable power supply. Input: AC 100~240V, 50/60Hz ; Output: DC 3~12V Adjustable, Max 5A 60W. DC Jack size: 5.5 x 2.1 mm.
It can supply with any voltage between 3~12V, such as 3V 3.5V 4V 4.5V 4.8V 5V 5.5V 6V 6.5V 7V 7.5V 8V 8.5V 9V 9.5V 10V 10.5V 11V 11.5V 12V, etc and any amp less than 5A, such as 300mA, 500mA,1A, 1.5A, 2A, 2.5A, 3A, 3.5A, 4A, 4.5A, 5A. Never overload!
The variable voltage charger has a protruding, rotatable button for adjusting the voltage to suit your device. The LED digital display shows the real-time output voltage, which helps you monitor the charging condition and prevent potential damage to your device caused by incorrect voltage settings.
Built-in multiple safety protection systems. Automatic over voltage cut-off, over current cut-off, over temperature cut-off, short circuit cut-off. You can screw wires onto it easily, perfect for DIY projects.
The 60W AC/DC adapter fit for many 3~12V small household electronics such as LED strips, such as 5050 2835 Dimmable 12V LED strips light or LED modules, etc., TV Box, smart speaks, wireless routers, USB fan, Wifi IP camera, USB Hub, hard disk box, CD Player, DVD Player, DC motor, DC pump, DVR NVR surveillance system etc.
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9.7
Exceptional
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9.7
Exceptional
JZK
JZK DC 3-12V 5A Adjustable Variable AC/DC Adapter Charger with LED Voltage Display, Universal Power Supply Transformer 60W Max 100-240V AC to DC Converter 3V 4V 4.5V 5V 6V 7V 8V 9V 10V 12V
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Show More
Why we love it
Adjustable voltage for versatility.
LED display ensures accurate monitoring.
Built-in safety features for protection.
Main Highlights
Package contains:1 piece of 3-12v 5A Voltage adjustable power supply. Input: AC 100~240V, 50/60Hz ; Output: DC 3~12V Adjustable, Max 5A 60W. DC Jack size: 5.5 x 2.1 mm.
It can supply with any voltage between 3~12V, such as 3V 3.5V 4V 4.5V 4.8V 5V 5.5V 6V 6.5V 7V 7.5V 8V 8.5V 9V 9.5V 10V 10.5V 11V 11.5V 12V, etc and any amp less than 5A, such as 300mA, 500mA,1A, 1.5A, 2A, 2.5A, 3A, 3.5A, 4A, 4.5A, 5A. Never overload!
The variable voltage charger has a protruding, rotatable button for adjusting the voltage to suit your device. The LED digital display shows the real-time output voltage, which helps you monitor the charging condition and prevent potential damage to your device caused by incorrect voltage settings.
Built-in multiple safety protection systems. Automatic over voltage cut-off, over current cut-off, over temperature cut-off, short circuit cut-off. You can screw wires onto it easily, perfect for DIY projects.
The 60W AC/DC adapter fit for many 3~12V small household electronics such as LED strips, such as 5050 2835 Dimmable 12V LED strips light or LED modules, etc., TV Box, smart speaks, wireless routers, USB fan, Wifi IP camera, USB Hub, hard disk box, CD Player, DVD Player, DC motor, DC pump, DVR NVR surveillance system etc.
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3
DC 6-12V High Voltage Pulse Generator 1000KV Super Electric Arc Module
Tangxi
Why we love it
High efficiency in compact design.
Outputs impressive 1000kV voltage.
Ideal for experiments and applications.
Main Highlights
The module can output high voltage pulse current, small size and high efficiency
This module is the finished module of transformer for small scientific production
The input voltage is DC 6V to 12V and will output 1000kV high voltage
It can be used for negative‑ion generator, electronic instrument, and science experiment
The peripheral circuit is simple, simply connect the switch and battery, and the discharge is great
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9.6
Superb
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9.6
Superb
Tangxi
DC 6-12V High Voltage Pulse Generator 1000KV Super Electric Arc Module
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Show More
Why we love it
High efficiency in compact design.
Outputs impressive 1000kV voltage.
Ideal for experiments and applications.
Main Highlights
The module can output high voltage pulse current, small size and high efficiency
This module is the finished module of transformer for small scientific production
The input voltage is DC 6V to 12V and will output 1000kV high voltage
It can be used for negative‑ion generator, electronic instrument, and science experiment
The peripheral circuit is simple, simply connect the switch and battery, and the discharge is great
Show More
4
DC 12V/24V to 5V 15A Step-Down Converter, High Power Voltage Regulator, Buck Converter Power Supply Transformer for Automotive and Electronics (DC 12V 24V to 5V 15A)
CONVOLATER
Why we love it
Wide voltage conversion capabilities.
High power output for efficiency.
Enhanced safety for reliable operation.
Main Highlights
Wide Voltage Conversion: Converts DC 12V/24V to 5V with an input range of 10V-35V, ideal for powering multiple devices with varying voltage needs.
High Power Output (15A/75W): Provides a stable 15A output current and 75W of power, ensuring efficient performance for all your electronics.
Enhanced Safety Protections: Equipped with over-voltage, over-current, and short-circuit protection, guaranteeing safe and reliable operation for your devices.
Advanced Transformer Technology: Uses cutting-edge transformer technology for consistent and efficient power conversion, improving device performance and longevity.
Versatile Applications: Perfect for automotive, marine, industrial, and other settings, ensuring reliable function in various environments.
Satisfaction Guarantee: Backed by a 30-day money-back guarantee and a 1-year warranty, providing risk-free purchasing and peace of mind.
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9.4
Superb
Check Price
9.4
Superb
CONVOLATER
DC 12V/24V to 5V 15A Step-Down Converter, High Power Voltage Regulator, Buck Converter Power Supply Transformer for Automotive and Electronics (DC 12V 24V to 5V 15A)
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Show More
Why we love it
Wide voltage conversion capabilities.
High power output for efficiency.
Enhanced safety for reliable operation.
Main Highlights
Wide Voltage Conversion: Converts DC 12V/24V to 5V with an input range of 10V-35V, ideal for powering multiple devices with varying voltage needs.
High Power Output (15A/75W): Provides a stable 15A output current and 75W of power, ensuring efficient performance for all your electronics.
Enhanced Safety Protections: Equipped with over-voltage, over-current, and short-circuit protection, guaranteeing safe and reliable operation for your devices.
Advanced Transformer Technology: Uses cutting-edge transformer technology for consistent and efficient power conversion, improving device performance and longevity.
Versatile Applications: Perfect for automotive, marine, industrial, and other settings, ensuring reliable function in various environments.
Satisfaction Guarantee: Backed by a 30-day money-back guarantee and a 1-year warranty, providing risk-free purchasing and peace of mind.
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5
OFFCUP LED Driver, 100W 12V Lighting Transformer, 170-250V AC to 12V DC IP67 Waterproof 8.3A LED Power Supply Constant Voltage Adapter for Outdoor Garden Strip Lights LEDS Lighting Shed Light
OFFCUP
15% Off
Limited time deal
Why we love it
High-quality aluminum alloy shell.
Built-in safety protection features.
IP67 waterproof for harsh conditions.
Main Highlights
【Parameter introduction】 Constant voltage LED driver lighting transformer, AC 170-250V input, constant voltage DC 12V output, 50/60 Hz, non-dimmable. Suitable for indoor, outdoor and humid rooms.
【High-quality material]】The shell is made of aluminum alloy, which has better heat dissipation, good structure and insulation. The total power of the connected LED lights shall not exceed 100w, and the load shall be kept within 80% of the power supply to extend its service life.
【Safety protection】 The built-in safety system of the 12V outdoor transformer includes overvoltage, overheating, overcurrent and short-circuit protection functions. No radio interference, no minimum load, no flicker, no noise.
【IP67 waterproof】 IP67 waterproof rating, the components are sealed in the aluminum alloy shell, and the cables are sealed in and out with rubber, which can withstand almost any bad weather.
【Wide application】The LED driver can be installed in dry or wet locations, suitable for both indoor and outdoor applications, perfect for powering garden LED lights or even shed lights, such as LED strips, LED bulbs, landscape lighting, backyard LED lights, deck lights, LED window lighting, etc.
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9.3
Superb
Limited time deal
Check Price
9.3
Superb
OFFCUP
OFFCUP LED Driver, 100W 12V Lighting Transformer, 170-250V AC to 12V DC IP67 Waterproof 8.3A LED Power Supply Constant Voltage Adapter for Outdoor Garden Strip Lights LEDS Lighting Shed Light
15% Off
Limited time deal
Check Price
Show More
Why we love it
High-quality aluminum alloy shell.
Built-in safety protection features.
IP67 waterproof for harsh conditions.
Main Highlights
【Parameter introduction】 Constant voltage LED driver lighting transformer, AC 170-250V input, constant voltage DC 12V output, 50/60 Hz, non-dimmable. Suitable for indoor, outdoor and humid rooms.
【High-quality material]】The shell is made of aluminum alloy, which has better heat dissipation, good structure and insulation. The total power of the connected LED lights shall not exceed 100w, and the load shall be kept within 80% of the power supply to extend its service life.
【Safety protection】 The built-in safety system of the 12V outdoor transformer includes overvoltage, overheating, overcurrent and short-circuit protection functions. No radio interference, no minimum load, no flicker, no noise.
【IP67 waterproof】 IP67 waterproof rating, the components are sealed in the aluminum alloy shell, and the cables are sealed in and out with rubber, which can withstand almost any bad weather.
【Wide application】The LED driver can be installed in dry or wet locations, suitable for both indoor and outdoor applications, perfect for powering garden LED lights or even shed lights, such as LED strips, LED bulbs, landscape lighting, backyard LED lights, deck lights, LED window lighting, etc.
Show More
6
Step Up Voltage Converter, DC-DC 12V to 19V 8A 152W Boost Power Module Transformer with High Conversion Efficiency
Vikye
9% Off
Why we love it
High efficiency conversion rate.
Durable and waterproof design.
Reliable protection features included.
Main Highlights
This is a non-isolated DC power converter module with long service life.
High power and stable output, it converts 12VDC to 19VDC.
Sturdy housing is small and easy to mount; sealed with silicone, it is waterproof(IP67), dust and vibration resistant.
High quality components ensures high conversion efficiency, up to 93%.
It supports over current, over voltage, over temperature and short circuit protection.
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9.2
Superb
Check Price
9.2
Superb
Vikye
Step Up Voltage Converter, DC-DC 12V to 19V 8A 152W Boost Power Module Transformer with High Conversion Efficiency
9% Off
Check Price
Show More
Why we love it
High efficiency conversion rate.
Durable and waterproof design.
Reliable protection features included.
Main Highlights
This is a non-isolated DC power converter module with long service life.
High power and stable output, it converts 12VDC to 19VDC.
Sturdy housing is small and easy to mount; sealed with silicone, it is waterproof(IP67), dust and vibration resistant.
High quality components ensures high conversion efficiency, up to 93%.
It supports over current, over voltage, over temperature and short circuit protection.
Show More
7
Shinesline High Voltage Transformer Generator for DC 3V-6V to 400kV 400000V Boost Step-up Power Module
Feelfly
Why we love it
Compact and efficient design.
High voltage capabilities impress.
Perfect for science experiments.
Main Highlights
This high-voltage module uses the principle Tesla coil is made of high-voltage pulse output voltage;
Current and small size, high efficiency, simple external circuit (just plug in the switch , the battery can be);
High type: Pulse current; Voltage: Input DC 3.6-6V, output DC400kV - 600KV (Please note that when security);
High voltage bipolar discharge distance: 10mm-20mm / 0.4-0.8 inch; Output voltage lines length: about 100mm / 3.9 inch;
A small production with high-pressure science inverter transformer / booster finished module for high school science experiments , electronic equipment, negative ion generator, high voltage source to use when making small science.
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9.0
Superb
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9.0
Superb
Feelfly
Shinesline High Voltage Transformer Generator for DC 3V-6V to 400kV 400000V Boost Step-up Power Module
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Show More
Why we love it
Compact and efficient design.
High voltage capabilities impress.
Perfect for science experiments.
Main Highlights
This high-voltage module uses the principle Tesla coil is made of high-voltage pulse output voltage;
Current and small size, high efficiency, simple external circuit (just plug in the switch , the battery can be);
High type: Pulse current; Voltage: Input DC 3.6-6V, output DC400kV - 600KV (Please note that when security);
High voltage bipolar discharge distance: 10mm-20mm / 0.4-0.8 inch; Output voltage lines length: about 100mm / 3.9 inch;
A small production with high-pressure science inverter transformer / booster finished module for high school science experiments , electronic equipment, negative ion generator, high voltage source to use when making small science.
Show More
8
ALAMSCN 5PCS High Voltage Generator DC 3V-6V 400KV 400000V Boost Step Up Power Module High Voltage Transformer
ALAMSCN
Why we love it
Powerful high voltage output.
Versatile for various applications.
Safety features for user protection.
Main Highlights
Input voltage: DC 3 V to 6 V. Input current: 2 A - 5 A.
High pressure type: the type of pulse current.Output voltage: 400000 V (Please pay attention to safety).
High pressure discharge distance between: 10mm - 20mm.
Wiring: Red and green power connection, red line "+" green line "-" output: the other side, same color cable.
The high voltage generator can be used as a scientific experiment, electronic equipment, negative ion generator, high voltage source in the production of small science etc.
Show More
8.9
Excellent
Check Price
8.9
Excellent
ALAMSCN
ALAMSCN 5PCS High Voltage Generator DC 3V-6V 400KV 400000V Boost Step Up Power Module High Voltage Transformer
Check Price
Show More
Why we love it
Powerful high voltage output.
Versatile for various applications.
Safety features for user protection.
Main Highlights
Input voltage: DC 3 V to 6 V. Input current: 2 A - 5 A.
High pressure type: the type of pulse current.Output voltage: 400000 V (Please pay attention to safety).
High pressure discharge distance between: 10mm - 20mm.
Wiring: Red and green power connection, red line "+" green line "-" output: the other side, same color cable.
The high voltage generator can be used as a scientific experiment, electronic equipment, negative ion generator, high voltage source in the production of small science etc.
Show More
9
3Pcs DC 6V-12V to 1000kv 1000000v 2A-5A Boost Step Up Power Module High Voltage Generator DC Transformer Converter Coil Module
DORHEA
Why we love it
High efficiency and compact design.
Simple to set up and use.
Powerful output for experiments.
Main Highlights
The high-voltage module is made by using the tesla coil principle, and outputs high-voltage pulse high-voltage current, small volume, high efficiency, simple peripheral circuit, the peripheral circuit is simple, simply connect the switch and battery, and the discharge intensity is great.
DC boost step up power module high voltage generator input voltage: DC 6V to 12V. input current: 2A-5A, output voltage: 500KV~1000KV (please pay attention to safety).
The input voltage of the arc generator is DC 6-12V and output dc 1000KV high voltage, input wiring: red - positive; green - negative; output wiring: the other side same color cable.
1000kv boost step up module can be used as a scientific experiment, electronic equipment, negative ion generator, high voltage source in the production of small science and so on.
The way to judge if a battery capacity is enough to output maximum power is to measure the battery voltage when producing arc. It the measured voltage is about 6V, then it can output maximum power. Recommended battery capacity is above 2000mA, or above 4000mA if possible.
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8.7
Excellent
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8.7
Excellent
DORHEA
3Pcs DC 6V-12V to 1000kv 1000000v 2A-5A Boost Step Up Power Module High Voltage Generator DC Transformer Converter Coil Module
Check Price
Show More
Why we love it
High efficiency and compact design.
Simple to set up and use.
Powerful output for experiments.
Main Highlights
The high-voltage module is made by using the tesla coil principle, and outputs high-voltage pulse high-voltage current, small volume, high efficiency, simple peripheral circuit, the peripheral circuit is simple, simply connect the switch and battery, and the discharge intensity is great.
DC boost step up power module high voltage generator input voltage: DC 6V to 12V. input current: 2A-5A, output voltage: 500KV~1000KV (please pay attention to safety).
The input voltage of the arc generator is DC 6-12V and output dc 1000KV high voltage, input wiring: red - positive; green - negative; output wiring: the other side same color cable.
1000kv boost step up module can be used as a scientific experiment, electronic equipment, negative ion generator, high voltage source in the production of small science and so on.
The way to judge if a battery capacity is enough to output maximum power is to measure the battery voltage when producing arc. It the measured voltage is about 6V, then it can output maximum power. Recommended battery capacity is above 2000mA, or above 4000mA if possible.
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10
DC 3.7-7.4V to 800-1000KV High Voltage Pulse Generator Transformer Super Arc Pulse Ignition Coil Power Module 2pcs
DUTTY
Why we love it
High voltage output capabilities.
Compact and efficient design.
Versatile for various applications.
Main Highlights
Finished Module -- This module is the finished module of transformer for small scientific production.
Voltage Range -- The input voltage is DC 3.7-7.4V and can output high voltage of DC 800-1000KV.
High Efficiency -- According to the coil principle, the module outputs high voltage pulse current, small volume and high efficiency.
Simple Circuit -- The peripheral circuit is simple (simply connect the switch and install the battery), the discharge is violent.
Wide Application -- It can be used as high voltage source for high school science experiment, electronic instrument and anion generator.
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8.7
Excellent
Check Price
8.7
Excellent
DUTTY
DC 3.7-7.4V to 800-1000KV High Voltage Pulse Generator Transformer Super Arc Pulse Ignition Coil Power Module 2pcs
Check Price
Show More
Why we love it
High voltage output capabilities.
Compact and efficient design.
Versatile for various applications.
Main Highlights
Finished Module -- This module is the finished module of transformer for small scientific production.
Voltage Range -- The input voltage is DC 3.7-7.4V and can output high voltage of DC 800-1000KV.
High Efficiency -- According to the coil principle, the module outputs high voltage pulse current, small volume and high efficiency.
Simple Circuit -- The peripheral circuit is simple (simply connect the switch and install the battery), the discharge is violent.
Wide Application -- It can be used as high voltage source for high school science experiment, electronic instrument and anion generator.
Show More
