Welcome to VisBis

VisBis is  the subsidiary of Luminatek company in the business of helping other companies develop products. Our engineers have many years of experience in a wide variety of fields. We now concentrate on helping other companies engineer their power needs--batteries, power supplies, inverters and D.C. to D.C. converters.

We not only engineer products, but we also manufacture products both in Utah and in China. This helps our customers and keeps us in lasting, long term relationships with both our customers and our factories.  We are truing to be cost effective and sell our products to smallest mark up. Very often we modify our existing products to your needs. For our buyers from North America, please go to Powerstream website.


News/Info

How efficient solar panels and can they power your electronic?

How efficient solar panels and can they power your electronic?

This material is giving examples of real solar powered devises and discussing how bad it is in reality!
Dictionary for Electrical Enginnering lingvo in to Populas language

Dictionary for Electrical Enginnering lingvo in to Populas language

Over and over again I see the very loose usage of terminologies.This may help us to understand each other.
Where to find energy for those who live on boat

Where to find energy for those who live on boat

Let's find sources of energy we need for mooring in tropical place with 28-30C during the day time and 24-27 at night. We had this article where there was a discussion where we see 1200W per day for1 person, 1600-2000W for two and 3300W with limited AC(conditioner) per day.
Fix for bluetooth audio amplifier board XH-M314 TPA3118 2x45W from China

Fix for bluetooth audio amplifier board XH-M314 TPA3118 2x45W from China

The purpose of this article is to help audio enthusiasts, who decided to buy bluetooth audio amplifier board XH-M314 TPA3118 2x45W from China. It was not designed properly and as it seems I found the fix.

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