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Battery Monitor Meter

Looking for ? There are many various products available on the internet web sites like Aliexpress and Ebay.

Enjoy the freedom of theShopping on-line direct! ()

06.Nov 2019
| Blog

Shopping on-line direct!

When we started 10 years ago with the battery business, it was nearly impossible to buy some special equipment on-line. That is why many of our customers were happy that we also tested and introduced additional accessories and tools for the DC solutions.

However now, ten years later, there a

06.Nov 2019
| Blog

Serial-parallel correct...

We certainly do not recommend connecting two „strings“ together at the high DC level. The LiFePO4 cells have very small internal resistance and connecting cells at high level voltage (e.g. one pack is 53V, the other pack is just 48V) will cause extreme currents that may cause damage to the ce

22.Oct 2019
| Blog

An Undocumented Black-Box or...

GWL/Poweris working on open and modular solutions for the DC power systems and energy storage projects. We believe our partners and friends appreciate the advantages of the fully open and modular solutions. In our understating aBlack-Boxis a product or an equipment that is sold “as

14.Oct 2019
| Blog

Safety of work when installing...

We use insulated tools when working with the battery.

Always secure hand tools to avoid short-circuiting the battery in the event of careless handling or accident.

An unwanted short circuit when installing the battery is the most common cause of cell damage.

An example ofself-made insulated tools can be

26.Jul 2019
| Blog

Starting with LYP/LFP cells...

Quick tutorial video how to start with the LFP (LYP) cells. Learn and see the 13 steps. See how to make the first check-up and the initial charging. About Winston cells: Large capacity LiFePO4 prismatic cells. Thundersky – Winston Battery famous yellow cells. More than 18 years on the mar

21.Jun 2019
| Blog

BU-808b: What Causes Li-ion to...

Learn what‘s behind the aging process of Li-ion The ultimate focus of maximizing the energy density of Li-ion shifted in 2006 when Li-ion unexpectedly disassembled in consumer products and millions of packs were recalled. Safety gained attention and batteries became safer. With the advent of th

21.Jun 2019
| Blog

BU-304a: Safety Concerns with...

Learn what causes Li-ion to fail and what to do in case of fire.

Safety of lithium-based batteries has attracted much media and legal attention. Any energy storage device carries a risk, as demonstrated in the 1800s when steam engines exploded and people got hurt. Carrying highly flammable gasoline in car

21.Jun 2019
| Blog

Batteries: Lithium-ion vs AGM

Across all markets over recent years Lithium-ion batteries have been gaining in traction [sic]. To the uninitiated it is easy to dismiss Lithium-ion as an expensive alternative to VRLA (valve regulated lead acid) technologies such as AGM (absorbed glass mat), if simply looking at the amp-hour (Ah) rati

21.Jun 2019
| Blog

What’s inside an 18650 cell?...

There has been a boom in ebike builders making their own battery packs out of the popular 18650-format cells (18mm diameter, 65mm long), and I want to share what I’ve found out about the guts of an 18650, so you will understand more about proper DIY pack-building methods.

Why would someb

21.Jun 2019
| Blog
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