Blog

What is the real self-discharge of the LFP cells?

Question: I have received a shipment of LFP cells from you company. When I received them, the voltage was about 3.25V for each cell. Now the voltage is below 3.10 for some cells and some have even just 3.0V or even less. Why is this so?

It is important to realize that cells shipped from GWL have on

31.Jan 2023
| Blog

A New Year’s Greeting with a Thermal Runaway

Have you ever burnt the dish on the stove?GWL Team has just begun the New Year with a similar experiencecaused by an improper cell operation.

As a result of a human operator failure and as a result of an improper setting of the charging machine,GWL team has just experience a thermal runaway for a 10

10.Jan 2023
| Blog

FAQ: Operation of the LFP cells at high temperatures above...

Question: I saw that some LFP cells allow the operation up to 65°C or even more. Do you have any suggestions for a high temperature operation?

Answer:The GWL team stronglydiscourage the continued use of the LFP cells in temperatures above +50°C.

Even though some datasheets ma

10.Jan 2023
| Blog

Happy New Year 2023

Since 2009 the GWL Team has been working hard to support and promote the DC Power Based solutions.

At this moment of the New Year we keep sending the best wishes to all supporters, fans and customers of the battery and sollar panel based DC technology.

Enjoy the whole year 2023 and le

02.Jan 2023
| Blog

An X-mas Gift 

A photo of the Alpha prototype batch for the BMS Easy.

The GWL colleagues are HEROs who keep working at any day and at any time.

Enjoy your X-mas.

02.Jan 2023
| Blog

Make The Internet Free Again

The internet would be a much free and relaxed space without the global corporations, that keep monitoring the behavior of the users by means of the tracking scripts.

Interestingly some companies have introduced the reversed response, by eliminating the user access, so that their employees

02.Jan 2023
| Blog

Is PLUS red?   Not always

What color is the plus pole? , the PLUS pole is marked by RED color and the MINUS by the BLUE color.

However, in Asia, sometimes there is a reversed color coding, wherePLUS is marked by the black colorandMINUS by the red color.

Keep t

02.Jan 2023
| Blog

ELERIX small size cells - EX-L10, EX-L15, EX-L25

The small size cells are designed for any kind of DC application where you need a smaller capacity.

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ELERIX - You Power the Life

02.Jan 2023
| Blog

MEANWELL PB Series of Chargers 12V, 24V, 48V

Check the time-limited offer for the MEANWELL PB Series Chargers for 12V, 24V and 48V applications.

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See also here -

02.Jan 2023
| Blog

Battery Tester and Resistance Meter YR1035+

The YR1035+ measures the voltage and the internal resistance (Ri)of the cells and batteries. It is one of the most practical and reliable products on the market.

If you need to check the voltage and the internal resistance (Ri) of your cells or batteries, this meter is a must for you.&n

02.Jan 2023
| Blog
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