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Step-up & Step Down Voltage Converters and Transformers

All Voltage Converters on Sale!

The Best Voltage Converters Available, with a FREE 5 Year Warranty!

All of our Type 3 Diamond Series step-up & step-down voltage converters come with a FREE industry leading 5 year warranty. Simply put, these are the best voltage transformers available. The Type 3 is both a Step up and Step Down Transformer which features a high-durability lifetime coil. For more information, please see our Voltage Converter Comparison Chart
Universal Output Plug Works In ANY Country!

Universal Output Plug for Use in Almost ANY Country!

The universal output plug allows devices from almost any country to be used with this voltage transformer.

Euro Adapter Plug Allows Use In ANY Country!

Also Included: Euro Adapter Plug

Plug that fits into the wall outlet is a Grounded USA North America Style Plug. Free plug adaptor allows this voltage converter to be used in most of Europe, Asia, and Africa.


  1. 100 Watt Diamond Series Type 3 Voltage Converter

    100 Watt Diamond Series Deluxe Voltage Converter Type 3

    Model: International DS-100

    • BEST Diamond Series 5 Year Warranty!
    • USA Grounded Male Plug Attached
      Extra Adapter Included to Use with 220 Volt Outlets
    • Step-up 110/120 to 220/240 volts
      Step-down 220v/240v to 110v/120v
    • Works Anywhere in the World
    • Heavy Duty for Continuous Use
      Using an Extra Durable Lifetime Coil
    • Recommended for High Value and/or Sensitive Items
    • Approved and Used by USA Military
    • Weighs 3 lbs. (1.4 kg)
    • Dimensions: 3.75 in x 5.25 in x 3.75 in
      (9.5 cm x 13.3 cm x 9.5 cm)

    Learn More

    Regular Price: $22.00

    Now only: $19.80

    Out of stock

  2. 200 Watt Diamond Series Type 3 Voltage Converter

    200 Watt Diamond Series Voltage Converter Type 3

    Model: International DS-200

    • BEST Diamond Series 5 Year Warranty!
    • USA Grounded Male Plug Attached
      Extra Adapter Included to Use with 220 Volt Outlets
    • Step-up 110/120 to 220/240 volts
      Step-down 220v/240v to 110v/120v
    • Works Anywhere in the World
    • Heavy Duty for Continuous Use
      Using an Extra Durable Lifetime Coil
    • Recommended for High Value and/or Sensitive Items
    • Approved and Used by USA Military
    • Weighs 4 lbs. (1.8 kg)
    • Dimensions: 3.75 in x 5.25 in x 3.75 in
      (9.5 cm x 13.3 cm x 9.5 cm)

    Learn More

    Regular Price: $27.00

    Now only: $24.30

  3. 300 Watt Diamond Series Type 3 Voltage Converter

    300 Watt Diamond Series Voltage Converter Type 3

    Model: International DS-300

    • BEST Diamond Series 5 Year Warranty!
    • USA Grounded Male Plug Attached
      Extra Adapter Included to Use with 220 Volt Outlets
    • Step-up 110/120 to 220/240 volts
      Step-down 220v/240v to 110v/120v
    • Works Anywhere in the World
    • Heavy Duty for Continuous Use
      Using an Extra Durable Lifetime Coil
    • Recommended for High Value and/or Sensitive Items
    • Approved and Used by USA Military
    • Weighs 6 lbs. (2.7 kg)
    • Dimensions: 4.75 in x 6 in x 4 in
      (12.1 cm x 15.2 cm x 10.2 cm)

    Learn More

    Regular Price: $33.00

    Now only: $29.70

  4. 500 Watt Diamond Series Type 3 Voltage Converter

    500 Watt Diamond Series Voltage Transformer Type 3

    Model: International DS-500

    • BEST Diamond Series 5 Year Warranty!
    • USA Grounded Male Plug Attached
      Extra Adapter Included to Use with 220 Volt Outlets
    • Step-up 110/120 to 220/240 volts
      Step-down 220v/240v to 110v/120v
    • Works Anywhere in the World
    • Heavy Duty for Continuous Use
      Using an Extra Durable Lifetime Coil
    • Recommended for High Value and/or Sensitive Items
    • Approved and Used by USA Military
    • Weighs 8 lbs. (3.6 kg)
    • Dimensions: 4.75 in x 6 in x 4 in
      (12.1 cm x 15.2 cm x 10.2 cm)

    Learn More

    Regular Price: $44.00

    Now only: $39.60

  5. 750 Watt Diamond Series Type 3 Voltage Converter

    750 Watt Diamond Series Voltage Converter Type 3

    Model: International DS-750

    • BEST Diamond Series 5 Year Warranty!
    • USA Grounded Male Plug Attached
      Extra Adapter Included to Use with 220 Volt Outlets
    • Step-up 110/120 to 220/240 volts
      Step-down 220v/240v to 110v/120v
    • Works Anywhere in the World
    • Heavy Duty for Continuous Use
      Using an Extra Durable Lifetime Coil
    • Recommended for High Value and/or Sensitive Items
    • Approved and Used by USA Military
    • Weighs 11 lbs. (5 kg)
    • Dimensions: 4.75 in x 7 in x 4 in
      (12.1 cm x 17.8 cm x 10.2 cm)

    Learn More

    Regular Price: $75.00

    Now only: $55.90

  6. 1000 Watt Diamond Series Type 3 Voltage Converter

    1000 Watt Diamond Series Voltage Converter Type 3

    Model: International DS-1000

    • BEST Diamond Series 5 Year Warranty!
    • USA Grounded Male Plug Attached
      Extra Adapter Included to Use with 220 Volt Outlets
    • Step-up 110/120 to 220/240 volts
      Step-down 220v/240v to 110v/120v
    • Works Anywhere in the World
    • Heavy Duty for Continuous Use
      Using an Extra Durable Lifetime Coil
    • Recommended for High Value and/or Sensitive Items
    • Approved and Used by USA Military
    • Weighs 15 lbs. (6.8 kg)
    • Dimensions: 7.25 in x 8.25 in x 5.75 in
      (18.4 cm x 21 cm x 14.6 cm)

    Learn More

    Regular Price: $77.00

    Now only: $69.30

  7. 1500 Watt Diamond Series Type 3 Voltage Converter

    1500 Watt Diamond Series Voltage Converter Type 3

    Model: International DS-1500

    • BEST Diamond Series 5 Year Warranty!
    • USA Grounded Male Plug Attached
      Extra Adapter Included to Use with 220 Volt Outlets
    • Step-up 110/120 to 220/240 volts
      Step-down 220v/240v to 110v/120v
    • Works Anywhere in the World
    • Heavy Duty for Continuous Use
      Using an Extra Durable Lifetime Coil
    • Recommended for High Value and/or Sensitive Items
    • Approved and Used by USA Military
    • Weighs 19 lbs. (8.6 kg)
    • Dimensions: 7.25 in x 9.75 in x 6 in
      (18.4 cm x 24.8 cm x 15.2 cm)

    Learn More

    Regular Price: $99.00

    Now only: $89.10

  8. 2000 Watt Diamond Series Type 3 Voltage Converter

    2000 Watt Diamond Series Voltage Converter Type 3

    Model: International DS-2000

    • BEST Diamond Series 5 Year Warranty!
    • USA Grounded Male Plug Attached
      Extra Adapter Included to Use with 220 Volt Outlets
    • Step-up 110/120 to 220/240 volts
      Step-down 220v/240v to 110v/120v
    • Works Anywhere in the World
    • Heavy Duty for Continuous Use
      Using an Extra Durable Lifetime Coil
    • Recommended for High Value and/or Sensitive Items
    • Approved and Used by USA Military
    • Weighs 22 lbs. (10 kg)
    • Dimensions: 7.25 in x 9.75 in x 6 in
      (18.4 cm x 24.8 cm x 15.2 cm)

    Learn More

    Regular Price: $122.00

    Now only: $109.80

  9. 3000 Watt Diamond Series Type 3 Voltage Converter

    3000 Watt Diamond Series Voltage Converter Type 3

    Model: International DS-3000

    • BEST Diamond Series 5 Year Warranty!
    • USA Grounded Male Plug Attached
      Extra Adapter Included to Use with 220 Volt Outlets
    • Step-up 110/120 to 220/240 volts
      Step-down 220v/240v to 110v/120v
    • Works Anywhere in the World
    • Heavy Duty for Continuous Use
      Using an Extra Durable Lifetime Coil
    • Recommended for High Value and/or Sensitive Items
    • Approved and Used by USA Military
    • Weighs 28 lbs. (12.7 kg)
    • Dimensions: 7.25 in x 9.75 in x 6 in
      (18.4 cm x 24.8 cm x 15.2 cm)

    Learn More

    Regular Price: $160.00

    Now only: $144.00

  10. 5000 Watt Diamond Series Type 3 Voltage Converter

    5000 Watt Diamond Series Voltage Converter Type 3

    Model: International DS-5000

    • BEST Diamond Series 5 Year Warranty!
    • USA Grounded Male Plug Attached
      Extra Adapter Included to Use with 220 Volt Outlets
    • Step-up 110/120 to 220/240 volts
      Step-down 220v/240v to 110v/120v
    • Works Anywhere in the World
    • Heavy Duty for Continuous Use
      Using an Extra Durable Lifetime Coil
    • Recommended for High Value and/or Sensitive Items
    • Approved and Used by USA Military
    • Weighs 42 lbs. (19 kg)
    • Dimensions: 8.25 in x 12.5 in x 6.75 in
      (21 cm x 31.8 cm x 17.1 cm)

    Learn More

    Regular Price: $195.00

    Now only: $175.50

  11. 10,000 Watt Diamond Series Voltage Transformer

    10,000 Watt Diamond Series Voltage Transformer with Regulator

    Model: International DS-10000

    • BEST Diamond Series 5 Year Warranty!
    • Step-up 110/120 to 220/240 volts
      Step-down 220v/240v to 110v/120v
    • Works Anywhere in the World
    • Heavy Duty for Continuous Use
      Using an Extra Durable Lifetime Coil
    • Recommended for High Value and/or Sensitive Items
    • Approved and Used by USA Military
    • Must be hardwired into home circuitry - does not have an outlet plug
    • Weighs 50 lbs. (22.7 kg)
    • Dimensions: 11.5 in x 12 in x 6.5 in
      (29.2 cm x 30.5 cm x 16.5 cm)

    Learn More

    Regular Price: $415.00

    Now only: $373.50

    Out of stock

  12. 12,500 Watt Diamond Series Voltage Transformer

    12,500 Watt Diamond Series Voltage Transformer Type 3

    Model: International DS-12500

    • BEST Diamond Series 5 Year Warranty!
    • Step-up 110/120 to 220/240 volts
      Step-down 220v/240v to 110v/120v
    • Works Anywhere in the World
    • Heavy Duty for Continuous Use
      Using an Extra Durable Lifetime Coil
    • Recommended for High Value and/or Sensitive Items
    • Approved and Used by USA Military
    • Must be hardwired into home circuitry - does not have an outlet plug
    • Weighs 50 lbs. (22.7 kg)
    • Dimensions: 11.5 in x 12 in x 6.5 in
      (29.2 cm x 30.5 cm x 16.5 cm)

    Learn More

    Regular Price: $470.00

    Now only: $423.00

  13. 17,500 Watt Diamond Series Voltage Transformer

    17,500 Watt Diamond Series Voltage Transformer Type 3

    Model: International DS-17500

    • BEST Diamond Series 5 Year Warranty!
    • Step-up 110/120 to 220/240 volts
      Step-down 220v/240v to 110v/120v
    • Works Anywhere in the World
    • Heavy Duty for Continuous Use
      Using an Extra Durable Lifetime Coil
    • Recommended for High Value and/or Sensitive Items
    • Approved and Used by USA Military
    • Must be hardwired into home circuitry - does not have an outlet plug
    • Weighs 65 lbs. (29.5 kg)
    • Dimensions: 14.5 in x 12 in x 7 in
      (36.8 cm x 30.5 cm 17.8 cm)

    Learn More

    Regular Price: $550.00

    Now only: $495.00

  14. 25,000 Watt Diamond Series Voltage Transformer

    25,000 Watt Diamond Series Voltage Transformer Type 5

    Model: International DS-25000

    • BEST Diamond Series 5 Year Warranty!
    • Step-up 110/120 to 220/240 volts
      Step-down 220v/240v to 110v/120v
    • Works Anywhere in the World
    • Heavy Duty for Continuous Use
      Using an Extra Durable Lifetime Coil
    • Recommended for High Value and/or Sensitive Items
    • Approved and Used by USA Military
    • Must be hardwired into home circuitry - does not have an outlet plug
    • Weighs 65 lbs. (29.5 kg)
    • Dimensions: 14.5 in x 12 in x 7 in
      (36.8 cm x 30.5 cm 17.8 cm)

    Learn More

    Regular Price: $695.00

    Now only: $598.50

    Out of stock


Voltage Converter Comparison Chart • Voltage Transformer Comparison Chart

Roll Over
for More Information
Type 1 Type 2 Type 3
Diamond Series
Type 4 Type 5
Diamond Series
Step Down Converter
Step Up Converter  
On/Off Switch
w/ Indicator Light
Heavy Duty Design
 
Extra Strong
Lifetime Copper Coil
     
Recommended for
High Value Items
   
Extra Durable Lifetime Coil      
Limited Warranty 1 year 1 year 5 YEAR 1 year 5 YEAR
     
Universal Output Plug      
     
     
Starting Price... $7.99 $9.00 $19.80 $30.00 $89.88
Star Rating 4 Stars
4½ Stars
5 Stars
4½ Stars
5 Stars
Shop Now! Type 1 Type 2 Type 3
Diamond Series
Type 4 Type 5
Diamond Series

 

These Type 3 Voltage Converters/Transformers Feature ALL this...

Type 3

Step Up & Step Down Voltage Converter

• Step Up & Step Down Converter
• Converts 110v/120v to 220v/240v volts
• Converts 220v/240v to 110v/120v volts
• 12 Available Sizes up to 5000 Watts!
• Works Anywhere in the world
• Use in USA or Overseas
• Heavy Duty for Continuous Use
• Diamond Series 5 Year Limited warranty


For more detailed information and help deciding which is right for you, see our Voltage Converter Buying Guide

Shop: Type 1  •  Type 2  •  Type 3 •  Type 4  •  Type 5