If lying flat on table. and looking at it from input side. which side is hv output located?

The high voltage side has two same colored wires they are red wires . The other side has a red and a green wire that's your positive in your ground.

Could have done a better job of sealing those red wires, eh?

Mine were sealed fairly well but I can understand how one or two sub par units could slip through quality control.

Can it be used to make an electrostatic precipitator?

I’m not sure it would supply sufficient current although you wouldn’t need much. This device will pulse positive DC in a square way resembling AC but it isn’t so if you presented a large enough ground plane you could theoretically remove particulates by charging the gas/particles dc positive and collect them on your ground dc negative plane. Similar to those “ionic” air filters. I’d go for something a tad stronger(more current)for the desired effect 1 or 2 amps should do it

15mm to 20mm or approx 5/8 if I remember correctly.

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DC4.8V~6V High Voltage Transformer 50kV-800kV Boost Step-up Inverter Generator Power Module Black

DC4.8V~6V High Voltage Transformer 50kV-800kV Boost Step-up Inverter Generator Power Module Black

Product ID: 69718472

Details

Brand
Walfront
Current Rating
5 Amps
Item Weight
0.04 Kilograms
Mounting Type
Surface Mount
Power Source
Battery Corded

⚡50kV-800kV output voltage

🔋DC 4.8V-6V input voltage range

🛠️5A current rating for stable power

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Details

Brand
Walfront
Current Rating
5 Amps
Item Weight
0.04 Kilograms

Description

⚡ Unleash the spark of innovation with every volt!

COMPACT EFFICIENT - Small form factor with high efficiency—perfect for desktop scientific projects and demos.
PLUG PLAY SIMPLICITY - Minimal peripheral circuitry—just connect battery and switch to unleash powerful arcs.
HIGH VOLTAGE POWERHOUSE - Boosts low DC input to a staggering 50kV-800kV output for electrifying experiments.
ROBUST CURRENT HANDLING - Supports up to 5 Amps ensuring reliable performance beyond typical phone chargers.
VERSATILE EDUCATIONAL TOOL - Ideal for high school and college labs to demonstrate high voltage principles safely.

The Walfront DC4.8V~6V High Voltage Transformer is a compact, high-efficiency step-up inverter module that converts low DC voltage into an impressive 50kV-800kV output. Designed for scientific experiments and educational use, it features a simple setup requiring only a battery and switch, supports up to 5 Amps current, and is perfect for hands-on high voltage demonstrations in academic environments.

Specifications

ASIN	B078SSC1GW
Best Sellers Rank	#541,593 in Automotive ( See Top 100 in Automotive ) #589 in Power Inverters #3,941 in Car Audio & Video Accessories
Brand	Walfront
Brand Name	Walfront
Current Rating	5 Amps
Customer Reviews	3.9 out of 5 stars 85 Reviews
Item Weight	0.04 Kilograms
Manufacturer	Walfront
Minimum Frequency	50 Hz
Model	Walfront8tvfmg032k
Mounting Type	Surface Mount
Part Number	Walfront8tvfmg032k
Power Source	Battery Powered, Corded Electric
UPC	663862652895

Reviews

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6.12.2025

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22.03.2026

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21.06.2025

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2.05.2021

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12.04.2021

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2.04.2023

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21.12.2022

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31.03.2024

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25.07.2024

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18.08.2020

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2.02.2021

R**L

19.11.2024

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