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 Iron Phosphate (LiFePO4) batteries, method of charging and properties

Lithium Iron Phosphate (LiFePO4) batteries, method of charging and properties

Lithium Iron phosphate batteries are safer than Lithium-ion cells, and are available in a range of cell sizes between 20mAh and 100 AH with much longer cycle life than conventional batteries.
Lithium Battery replacement

Lithium Battery replacement

How do I replace Li battery and make my device functional again?
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.
Batteries-overvew (Part 0)

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.

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