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

Solar panel real Power Calculator for different Latitude

Solar panel real Power Calculator for different Latitude

This Calculator allow you to obtain real power output P for different Latitude for your solar panel
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.
Lithium ion/polymer Battery Cycle Life and what might influence that.

Lithium ion/polymer Battery Cycle Life and what might influence that.

Here we going to discuss parameters, which will influence Battery Cycle Life and Battery Shelf Life for Li batteries.
Voltages and plug styles used in different countries.

Voltages and plug styles used in different countries.

Please note that some countries have changed their standards, and some have multiple standards. This is not absolute knowledge, but rather for references only. Normally outlet standards heavily regulated by safety authorities in each specific country.

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