Blog - Winston

LITHIUM BATTERIES: WHICH TYPE IS SAFER? - LiFePO4 vs LTO vs...

Li-Pol (LiPo) are widely used in nearly all cell phones and other home electronics. Yet, they are unstable and dangerous.

In our test, we compare LiPo with available LFP and LTO technologies. You may not recognize the danger sitting in your pocket, but consider the danger for projects involvin

GWL for Sustainable Green Waste Water Cleaning

GWL/Power has installed the energy backup solution for aWaste Water Cleaningstation in the natural park in Sumava Mountains.

Previously, with no backup solution, the waste water could pollute the water streams in case of long-term power outage.With the solution from GWL/Power the water clea

FAQ: Transporting empty lithium cells

Question:I need to transport the batteries by air. Is it possible that I discharge the battery (LTO, LFP, etc) to zero volts, transport and recharge back after reaching the destination? This way the battery will have no energy stored and will not be dangerous. What do you think?

We are sorry t

Winston Cells Overcharge – IR photos

In 4/2019 we performed few destructive tests to analyze the results of the abuse of various battery models. Now finally in 12/2019, we can show you somephotos taken by the IR camera.

The photo shows that during the overcharge the temperature of the TSWB cells was only 35°C. This shows

LiFePO4 Batteries in Ships and Boats

This document presents typical solutions and important information for the reliable and long-term operation of LiFePO4 battery systems in ships and boats (also applicable in caravans and campers). Various topics are described in a comprehensible way for any user. The guide will help you to decide f

The Battery Guide, How-to in 7 Steps

All you wanted to know about LiFePO4 but were afraid to ask:

Check our lithium phosphate battery guide available for you to download in English or Czech.

A must-read for everybody who’s interested in LiFePO4

An Excellent Performance of the LFP Pack in a Yacht

The comments from a customer with 200Ah pack

We have been cruising since May and the whole electrical installation, including my new Li batteries, have performed very well with no problems. The 200 Ah battery pack has, at maximum, been discharged by 185.4 Ah and still was maintaining

Thundersky Winston Warehouse Photo

Another photo from the TSWB warehouse…. The boxes with the TSWB cells are ready to be shipped worldwide.

The GWL team is happy to be the part of the distribution network forthe largest cell and the most realible LFP manufacturer.

Which supplier will you choose?

The battery cell production tolerance is very important. The diagrams show the possible scenarios for different companies.

DIAGRAM 1 (top): As seen even the “A-Grade” products of some manufacturers (green-line) are below the B-Grade of the TOP manufacturers (blue-line).

DIAGRAM 2 (bellow): Because of

Large Energy Storage Made Easy with TSWB cells

The photo shows an energy storage battery pack with TSWB LFP cells. The pack consist of 144 cells, installed in 4 cabinets each with 36 cells. The total energy is 460 kWh.

The solution for the large energy storage using TSWB cells is incredibly easy. Each cell is single&nbs