Is there a good way to extend the output leads? I need them to be longer than they currently are.

Strip the outer end of the wire about 5mm and solder on longer wires. Then heatshrink the joined part for insulation.

is the output a ground and a high positive or high negative, or is the output a high negative and positive?

i beleive it is 3 volts dc to an inverter with high volts AC out not DC out

Is the output voltage ac or dc?

AC. Probably around 40 000V peak to peak. Low amps.

How can it be 400kv if the output leads are only 1 inch apart and use ordinary 250v insulation? if it was more than 25kv it would just arc the leads

Well, first of all, that's not ordinary insulation. I didn't test it, but it looks like kynar. The maker used good output wiring. I'm not going to back his claim of 400KV, because I personally have not taken one of the units into my lab and measured it, but I know a good bit about HV. Don't assume that the breakdown characteristics of air are linear. They're not. Under normal kitchen table conditions, you can draw 4 inch sparks from a 20kv source. Once a plasma conduction path is established, it is self-sustaining as long as the current keeps it hot.

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DEVMO 2PCS DC 3V-6V to 400kV 400000V Boost Step-up Power Module High-Voltage Generator

Product ID: 325580948

Details

Brand
DEVMO
Colour
Red
Input voltage
6 Volts
Output voltage
400000 Volts
UPC
782429226024

⚡400kV Output

🔋3V-6V Input

⏱️1 min Limit

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NZ$86

Duties & taxes included

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Sold byAmazon New ZealandDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

⚡ Power Up Your Projects with 400kV Innovation!

SAFETY FIRST - Designed with a 1-minute usage limit to prevent overheating.
UNLEASH THE POWER - Transform low voltage into a staggering 400kV!
DUAL PACK ADVANTAGE - Get two high-voltage generators for double the innovation!
VERSATILE INPUT RANGE - Compatible with DC 3V to 6V for diverse applications.
HIGH PRESSURE DISCHARGE - Achieve impressive discharge distances of 10mm to 20mm.

The DEVMO2PCS DC 3V-6V to 400kV Boost Step-up Power Module is a high-voltage generator that converts low DC voltage into an impressive 400,000 volts. With a safe usage limit of 1 minute and a versatile input range, this module is perfect for various applications requiring high-pressure discharge. The package includes two units, making it an excellent choice for professionals looking to enhance their projects.

Specifications

ASIN	B07Y886S2Z
Best Sellers Rank	#90,658 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #342 in Power Converters
Brand	DEVMO
Color	Red
Customer Reviews	4.4 4.4 out of 5 stars (506)
Input Voltage	6 Volts
Item Weight	0.12 Kilograms
Manufacturer	DEVMO
Mfr Part Number	eggreh-001
Model Number	eggreh-001
Output Voltage	400000 Volts
Plug Type	Type A
UPC	782429226024

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