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 Battery replacement

Lithium Battery replacement

How do I replace Li battery and make my device functional again?
How to charge Lithium batteries?

How to charge Lithium batteries?

Very typical question I receive in my email: How do I charge Lithium battery?
Failed Lithium battery, can we fix it?

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.
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.

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