Blog - Winston

GWL/Modular - Energy storage for REAL projects – not just...

In 2021 GWL has been supporting local partners in deliveringseveral REAL energy storage projects.

Simply said, the energy storage solutions promoted by some countries and local governments for household applications, with 5 kWh to 15 kWh, are just expensive toys. People will spend a lot of

03.Jan 2022
| Blog - Winston

Electric waste by GWL – too little to handle

GWL is also an electric waste collection center. This means any customer (and also the general public) may bring.

During 2021 GWL has collectedabout 700 kg of electric waste. ???? These are mainly batteries that

17.Dec 2021
| Blog - Winston

Why are there two terminals for the 700AH cell?

Question:I have bought the 700AH cell. I can see there are two PLUS and two MINUS terminals. What is the difference?

Answer:There is no difference..The reason is to allow the high cur

13.Dec 2021
| Blog - Winston

GWL battery sets with TSWB cells – 12V, 24V and 48V

Check the offer of GWL for. These pack are designed to offer a more flexible way to order the basic battery components for your installation.

Check the overview of the possible configurationsfrom 12V/40Ah to 48V/700Ah packs.

Get in

13.Dec 2021
| Blog - Winston

GWL TSWB CORSET - Design Files

The CORSET solution by GWL for large industrial cells ofthe TSWB Brand.

Check the design files at the GWL Github -

The PDF files with the designs of the universal battery holder - called “CORSET”. The designs are created to be used with large c

15.Sep 2021
| Blog - Winston

The LFP 40AH cell hammered to death

The photos are showing the read-to-go steps ofthe abuse by the axe-hammer in the hands of the fire-fighter.

The cell had to be hit several times to produce any significant effect. As seen from the reading of the IR camera, the temperature ofthe hot area has reached some 108°C.&

06.Apr 2021
| Blog - Winston

The overcharge test of the TSWB 40AH cells

The summary of the data for the overcharge test of the TSWB 40AH cells.

  • The over charge test wasperformed for 30 minutes.
  • The voltage percell increased up to 8V.
  • The temperature of the packreached up to 130°C.

There was no fire, no explosion, no strong gas leakage.

06.Apr 2021
| Blog - Winston

Can a lithium iron phosphate (LFP) battery burn?

The answer is simple: yes, but it is not easy.The LFP lithium battery is made of materials that are flammable and it will burn, if overheated.

The photos showthe process of fire on a prismatic lithium battery. The battery was fully charged and then set to fire by a flame-thrower. As you can

06.Apr 2021
| Blog - Winston

FAQ: Will my LFP batteries last really that long?

Even in 2021, there are customers who are just starting with the lithium battery technology. One of the most frequent questions is:“How long will my batteries last?”

Here, we have the answer from a real demonstration. The photo shows the test ofthe 12V battery pack by Winston Thunde

29.Mar 2021
| Blog - Winston

Thunder Sky Winston Battery Cell Torque Info

The torque force for the tightening of the cell terminal connectors for Winston Battery (TSWB) cells.


• There is no need to over-tighten the terminal connections. That is why the lower value from the suggested range is preferred. • The connection of the

15.Feb 2021
| Blog - Winston
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