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 Power and Angles of Panel

Solar Power and Angles of Panel

After many years of usage and research around this subject, I came to a few simple conclusions.1. It is the best to simplify your solar energy system. This conclusion is also concern the solar tracking devises.
Wiring, installation and all about wires

Wiring, installation and all about wires

This page will give you some basic knowledge about wires and also provide and few useful calculators for different electrical parameters, dependent on wire size. Please note: WE DO NOT SELL WIRES.
Current and capacitors, calculator

Current and capacitors, calculator

 This calculator helps to compute current limiting capacitor for low frequency (below 60Hz) AC sources of voltage.
 Calculator for Watts solar panels with No Load Voltage (= Vnl) and Short Circuit Current (Isc

Calculator for Watts solar panels with No Load Voltage (= Vnl) and Short Circuit Current (Isc

This is very simple calculator for wattage characterization of solar panels with No Load Voltage (= Vnl) and Short Circuit Current (Isc)

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