Blog - BMS Systems

A New Baby is on The Way

This is the first public photo of aUltimate Battery Control Systemthat is being developed in GWL together with a local partner company.

More details to follow….

The 12V sets with Winston cells and BMS123 + XLS Calculator

To start with your own battery pack, the easiest way is to use. Optionally you can buy the additional cells to extend the pack to 24V (total 8 cells) or 48V (total 16 cells).

Additionally, you can use the. It will h

BMS123 Smart ready for 2021!

Our teams are now testing a new connectoron the negative (-) pad of each BMS123 Smartcell board, so the customers do not have to solder anymore.

This connector will accept wires between 0.5mm2 and 3.3mm2 stranded or solid core.

Additionallythe hole of the (+) padwill be increase

GWL/Modular BMS configuration

The basic configuration of the BMS to be used in the GWL/Modular system.

The proper protection of the battery pack is a must!

BMS123 or GWL CPM? - Deeply discharged cells

As our customers are well aware, some type of protection module is necessary to use with every lithium battery for prevention of a deep discharge or overcharge.

I will use the example of our customer from Holland to describe how a significantly cheaper GWL CPM protection can often be the better choice th

BCC – the extension of the battery protection

This installation diagram shows the possibilities provided by the BCC. The CPM1 board provides the basic protection layer of the battery pack. The BCC makes.

With BCC it is possible to control the charger and the load remotely eith

GWL/Modular - BCC (Battery Communicator and Controller)

More photos and more details coming soon.

BCC is the extension module for the CPM1 board.

CPM1 - manual on the board

What is the voltage setting for minimal and maximal voltage of the LFP and LTO cells?

See the answer for yourself.You can see the answer printed on the circuit board of the CPM1. Easy to set, easy to go. What do you think about this idea?

CPM1 V1.5 - already a history

This photo shows one of the development versions of the GWL/CPM board. The version 1.5 with gray and green connectors.

The actual version is .

BMS123 Smart – What's new?

With the spring air coming, it's time for some refreshment: the HW update of our best-selling BMS123 Smart – Gen 3. Check the product page for more details:

Main features of the update:

✔️ LTO compatible ✔️ Operates on cell voltages between 1.5 V and 5.0 V