Blog - About GWL

BMS123 or GWL CPM? - Deeply discharged cells

As our customers are well aware, some type of protection module is necessary to use with every lithium battery for prevention of a deep discharge or overcharge.

I will use the example of our customer from Holland to describe how a significantly cheaper GWL CPM protection can often be the better choice th

Is the Bestie the Best or the Beast?

“The Bestie” is the“Beast” and it is the “Best of the Beasts”. Actually this is the very first photo of the GWL/Modular complete solution, to be installed in the Czech Sustainable Houses project, after it has arrived to GWL/Warehouse in mid summer 2020.

This

She is the “Beast” or the “Bestie”

We call her the“Bestie”. The word“Bestie” in the Czech language means the terrible beast. It can also mean a wicked woman.

However in English“Bestie” can also be used as the familiar name for the“best-girl-friend”.

In GWL the&ld

No Roof - No House

This is photo series from 6/2020 when the roof on the CSoD Project was installed. Please note that the photos show only the northern roof, that is facing towards the forest. That is why there are no solar panels on this side of the roof.

Enjoy!

Photos by Petr Toman. Thank you!

The CSoD Technology Room - RIP Photos

These are the last photos from the GWLCSoD Project Technology Roomin late spring of 2020. This room served for the demonstration of the Self-sufficient technology before the final assembly on-site in the project. The room was dismounted by the mid of 2020. That is why we say:RIP- R

The CSod Project Technology Room

This is a (historic) photo from theTechnology Room of theCzech Sustainable Houses (CSoD)project. GWL and the partners have installed all technology into this demonstration room to verify the functions of the technology before the installation in the real house.

This demonstration co

GWL/Team in action - charging and charging

For a customer project we are charging the battery packs of 400AH and 700AH cells. Each pack has 16 cells.

After making the initial charging of the cells, we also perform the final balancing of the cells to the same charge voltage, at the same temperature and at the same time. This way the customer

GWL/Power Team is testing again

Just now: testing a battery pack with a customized monitoring solution in co-operation with the partner hardware. In order to understand the needs of our customers, we closely co-operate with their technical teams to see how to utilize their hardware with the battery pack in the best way.

The rear photo of the chief ideologist of the GWL/Team

Whenever the GWL Team members have any metal doubts about the projects and our activities, they are ready to accept the psychology treatment of the chief ideologistDr. Chocholousek.

Ignore the language (Czech) and,as we regularly do.

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GWL/Modular Pack in an animated action

This animated GIF shows howGWL/Modular pack can be assembledby any “local electrician” at any place of the world.

Modularity:The battery pack consists of large capacity cells that have robust and reliable design. VERSUS: The other solutions use hundreds of small round cells