GWL Team Separates the Light from the Darkness

A quote from the Word of Words:

And GWL Team said, “Let there be light,” and there was light. And GWL Team saw that the light was good, and they separated the light from the darkness….

The work of the GWL/Team is to help people to separate the light from the darkness by means of&nb

01.Dec 2020
| Blog

The GWL VZV Project – Extreme LFP Forklift Battery

The initial charge of56 pcs of the LFP 110AH cells. These cells are first charged to full, then balanced together and assembled in blocks.

The diagram shows the connection of the7P8S configurationmaking the total of24V 770AH 18.5 kWh of usable energy.

Stay in touch for more n

01.Dec 2020
| Blog

The GWL VZV Forklift Battery Project

An innovative replacement solution forthe traction battery for the fork-lift trucksand warehouse transportation vehicles. The original lead-acid battery is replaced by high performance lithium iron-based battery that matches the dimensions, keeps the same weight but brings much mor

01.Dec 2020
| Blog

Avoiding petty risks with home storage

Perhaps a small neglection of the maintenance of an airplane can cause the whole plane to crash. Also, a small negligence can cause somerisky situations concerning the energy storage solution.

See two examples from the photos.

Non-insulated wrench

GWL Team strongly keep remin

30.Nov 2020
| Blog

Using the proper terminals to connect the cells

When charged and discharged, expanding and stretching a little. The cells also change their shape due to the temperature expansion of the materials and the changes of the atmospheric pressure.

All of these factors cause that the cells are more or less b

16.Nov 2020
| Blog

Integration of Battery Storage into Hybrid Microgrids

(Whitepaper written by ComAp a.s. in cooperation with GWL a.s.)

ComAp a.s.designs and manufactures control products for power generation and engine control, along with associated

11.Nov 2020
| Blog

The copper terminal oxidated – Why?

Some users and customers ask, why - when receiving the new cells – do the copper terminals have signs of severe oxidation.

Copper as a metal is prone to oxidation and reaction with other materials.The oxidation of the terminal is a matter of days. Also the black rubber cover on the top of the

11.Nov 2020
| Blog

The cell terminals must be perfectly clean!

Check the highlight from the


Use only the original copper terminals #1). There are many reasons why you should not use any other accessories #2) to connect the cells. Check our knowledge-base for details #3), if you are interested in.It is very important to clean all connectors and terminals perfectly with sandpaper just before assembly. #4). Even small resistance between the cells would dis-balance the battery.


#1 –

11.Nov 2020
| Blog

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

06.Nov 2020
| Blog

The energy generation by Stirling Motor

The GWL/Power team is also experimenting withthe energy generation from heat by a Stirling motor. The Stirling motor is installed on top of the OKOFEN Power-generating pellet boiler.

The demonstration shows the real power from the1000W Stirling Motor generation. The output power rated at the AC part of the

03.Nov 2020
| Blog
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