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?
Solar Power and method to calculate  panels

Solar Power and method to calculate panels

Q. How big the solar panel shall be? Answer: Starting point is to calculate power consumption of your house or devise.
Fix for bluetooth audio amplifier board XH-M314 TPA3118 2x45W from China

Fix for bluetooth audio amplifier board XH-M314 TPA3118 2x45W from China

The purpose of this article is to help audio enthusiasts, who decided to buy bluetooth audio amplifier board XH-M314 TPA3118 2x45W from China. It was not designed properly and as it seems I found the fix.
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.

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