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

Batteries, basics about batteries, Part!: Introduction and Vocabulary/Semantics

Batteries, basics about batteries, Part!: Introduction and Vocabulary/Semantics

Batteries, basics about batteries, Part!: Introduction and  Vocabulary/Semantics
Fun with CFL or UV light bulbs and electronic balast

Fun with CFL or UV light bulbs and electronic balast

Here we will talk about powering those light bulbs with dc "ballasts" or better say DC power supplies or converters.
Batteries-overvew (Part 0)

Batteries-overvew (Part 0)

There are many other battery chemistry, each with their own advantages and disadvantages. Also batteries classified under their shapes. In the last few years a few geometrical shapes became very popular.
Possible falures in Lithium batteries

Possible falures in Lithium batteries

Here I will try to briefly describe possible battery failures and why it happened.

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