400KV Step Up Power Module


In stock

SKU: 890239

Input Voltage: DC3.6V-6V
Input Current: 2A-5A
Output Voltage: DC 400KV (Please pay attention to safety when used)
Input Line Length: about 100mm (red is positive)
Output Line Length: about 160mm

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In stock

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This is a high voltage step-up power supply module, which is commonly used in electronics experiments and demonstrations. The module can generate a voltage of up-to 400KV from an input of 3-6V from a normal Li-ion battery. The high-voltage module uses the principle of the Tesla coil.


  1. High-Quality Silicone Wires at Input and Output
  2. Creates an Arc of 400KV
  3. Small in Size
  4. Easy to Use

Package Includes:

1 x 400KV Step Up Power Module

SKU: 890239 Categories: ,
Input Voltage (V)

3.3 ~ 5 VDC

Max Operating Current (A)

2 – 5

Max. Output Voltage

400 KV

Max. Output Current (A)

0.5 A

Discharge Time




Length (mm):


Width (mm):


Height (mm):


Weight (g):


Shipping Weight 0.043 kg
Shipping Dimensions 7 × 3 × 3 cm
15 Days Warranty

This item is covered with a standard warranty of 15 days from the time of delivery against manufacturing defects only. This warranty is given for the benefit of Robu customers from any kind of manufacturing defects. Replacement will be done against manufacturing defects.

What voids warranty:

If the product is subject to misuse, tampering, static discharge, accident, water or fire damage, use of chemicals & soldered or altered in any way.

Questions and answers of the customers

  1. 0 votes
    Q is it ok to with two 18650 cells in series ? answer now
    Asked by aditya.foreverscience on February 17, 2024 4:31 pm

    Yes, it is acceptable to use two 18650 lithium-... Read more

  2. 0 votes
    Q Can we operate this device continuously? answer now
    Asked by pradeesh.dmt on June 9, 2022 4:28 pm

    Yes, you can use it

  3. 1 vote
    Q arc creation distance answer now
    Asked by prakashctpl on November 27, 2021 3:59 pm


    High-pressure discharge distance ... Read more

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Country Of Origin: China