Blog - Winston

GWLG/Team is testing — thermal release from the terminals

The copper bars server as heat conductors. The purpose of the test is to see how the cell will increase the temperature when there is a source of heat applied.

This also serves to test the function of the BMS, to detect and react to the terminal overheating.

BMS 123 is used for these tests.


31.Jul 2023
| Blog - Winston

Závislost na Číně je nebezpečná, říkají...

Michal Klečka byl se svou společností i4wifi jedním zprvních distributorů hardware pro mikrovlnné bezdrátové spoje už vraných dobách internetu, kterým neochvějně dominovalo ikonické chrčení modemů od tehdejšího gi

27.Jul 2023
| Blog - Winston

Dependence on China is dangerous, say the founders of the...

With his company i4wifi, Michal Klečka was one of the first distributors of hardware for microwave wireless connections in the early days of the Internet, which were unwaveringly dominated by the iconic grunt of modems from the then giant Český Telecom.He successfully sold i4wifi in 20

27.Jul 2023
| Blog - Winston

GWL Team at Intersolar 202 – C2.436

Check the photos of the participation of the GWL Team under the AMVOLT Brand at theEES Europe section of the Intersolar 2023.

21.Jul 2023
| Blog - Winston

GWL at Intersolar again – C2.436 in hall C2

Since 2012, GWL has been exhibiting at the Intersolar Munich Exhibition. This year (2023) GWL is showing the AMVOLT brand products at the EES Europe section dedicated to battery storage.

Come and meet GWL at stand C2.436 in hall C2.

21.Jul 2023
| Blog - Winston

The 7 Ways Your LiFePO4 Battery can Move You on! – Guide /...

Get the tips for using the LiFePO4 battery to boost your installation performance.

  • Your Children Might Grow Up and It’s Still Running
  • 4x Cheaper. Save Your Money
  • It Won’t Explode
  • A BIG, Simple Boost
  • Stop Worrying about Charging
  • Almost Zero Work
  • Save the Forest, Save the Planet

Download the

21.Jul 2023
| Blog - Winston

The Real Electric Bus Crash Test – the Bus Hit by a Train

GWL’s customer operating the electric bus with a LFP battery pack has involuntary performed areal EV Bus crash test. The bus driver in Northern Bohemia was passing the railway, while the local train was approaching. Unfortunately, the bus driver did not let the train pass first andthe

02.Jan 2023
| Blog - Winston

The storage is easy! Just 64 cells to make a 205 kWh 

A massive energy storage solution using the. Four times 16 cells make the total of 64 cells with 3.2V and 1000AH.It is altogether 205 kWh of energy storage.

This solution was assembled as a part ofthe AMVOLT projectthat is fully scalable and serviceab

26.Sep 2022
| Blog - Winston

FAQ: The performance of the lead-acid cells in cold and...

The winter of 2022-2023 is coming in just a few months and many customers wonder aboutthe performance of their battery packs. Especially those who have been using the lead-acid batteries.

The performance of the lead-acid batteries drops significantly in sub-zero temperatures.The above diagr

23.Aug 2022
| Blog - Winston

GWL (as AMVOLT) at Intersolar 2022 - B2 175

GWL was present at Intersolar again - after the“pause” of 2018, 2019, 2020, 2021.

Our booth was presented under the AMVOLT brand at Smarter E Europe (Intersolar Europe, ees Europe, Power2Drive Europe and EM-Power Europe).

AMVOLT is a division of GWL a.s. and manufactures

04.Aug 2022
| Blog - Winston
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