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
Can I get battery capacity by knowing my need for powering load?
Let's assume we have some load with current I to run for time t. Can we get needed battery capacity C? Attention, this calc is for lead acid battery.
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.
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.
