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 (LiFeP04) batteries, method of charging and properties

Lithium Iron Phosphate (LiFeP04) 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.
Current and capacitors, calculator

Current and capacitors, calculator

 This calculator helps to compute current limiting capacitor for low frequency (below 60Hz) AC sources of voltage.
How efficient solar panels and can they power your electronic?

How efficient solar panels and can they power your electronic?

This material is giving examples of real solar powered devises and discussing how bad it is in reality!

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