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

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.
How to charge Lithium batteries?

How to charge Lithium batteries?

Very typical question I receive in my email: How do I charge Lithium battery?
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.
Charging SLA (Lead Acid battery) -basics

Charging SLA (Lead Acid battery) -basics

The lead acid chemistry is fairly tolerant of overcharging, which allows marketing organizations to get to extremely cheap chargers, even sealed lead acid batteries can recycle the gasses produced to prevent damage to the battery as long as the charge rate is slow. We offer a range of chargers from inexpensive to very sophisticated, depending on the requirements of the customer, but all of the chargers we sell off-the-shelf are highly regulated sophisticated chargers that cannot

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