Blog - Others

WELCOME IN 2021!

The GWL/Team has many, many exciting new things for you in store. Everybody at GWL keeps working hard and with the full power to deliver the exciting solutions for the DC/AC products and services.

All the best to you all!

Energy Storage - This is the way!

An example of a customer reference for a large containerized energy storage solution. Each container holds16 pcs of Winston 700AH cells– 35,8 kWh of energy. The front side of the container allows for the installation ofthe DC/AC invertors with chargers. This way, each con

The DC circuit disconnection

The manual disconnection is a must.Any load connected to the battery pack or any source of power connected to the battery pack should be disconnected manuallyin an easy and quick way.

This manual (hand-driven) “absolute OFF” disconnection is necessary for two reasons.

* Safety disc

Less DC-contactors - More Smart DC-devices.

As you might notice, GWL as limited. The reason is that these DC contactors may be now easily replaced by more advanced semiconductor switching devices. Additionally such products may be available for purchase on-line from various quick-buy-quick-

Making the best fire-protection of the battery pack

Question: I plan to install my small energy setup into a plastic box. Is it a good idea?

GWL/Team suggests to makethe installation always into a fire-resistant material.You may have the pack mounted in a plastic box, but the questions are:Where will your whole installation be located? How

The main and the auxiliary fuses.

Question: I have the main fuse of 400Amp. Do I need auxiliary fuses?

GWL/Team always reminds.

Using a proper fuse is a must! ????

However, one main fuse is not enough. The one main fuse is designed for the high-current rated prot

GWL/Modular Flexi pack

The easiest assembly of the batteries into a pack.The Flexi pack solutionis a complete set of metical harness to allow a quick and easy assembly of the battery packs. It is designed forTSWB 40AHandTSWB 100AH cells.

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The 140AH cells real or not?

A customer sent an inquiry about a 140 AH cell from Thundersky Winston. The investigation showed that “somebody” created a fake PDF withchanged to 140AH.

The answer is:There is no 140AH cell from TSWB, the information about 140AH on internet does n

The GWL VZV Project – Extreme LFP Forklift Battery -...

In 10/2020 the GWL/Team has proceeded with the installation of the GWL VZV Project – Extreme LFP Forklift Battery.

The 56 cells are installed intothe standardized battery containerto make a perfect replacement for the forklift battery.

The GWL VZV Project – Extreme LFP Forklift Battery -...

The drawing shows some of the design details for the installation of The GWL VZV Project – Extreme LFP Forklift Battery.

There are two variants with7P8S configuration(24V 770AH)and4P8S (24V 440AH).In order to meet the forklift standards and the certification s