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
Failed Lithium battery, can we fix it?
This article is not about resurrecting Li-po cells, but rather how to substitute failed battery with a new one.
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.
Calculator for Pmax solar panels with No Load Voltage (= Vos) and Short Circuit Current (Isc)
This is very simple calculator for wattage characterization of solar panels with No Load(Open Circuit) Voltage (= Vnl) and Short Circuit Current (Isc)
