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EV Charging and BMS Engineering News

Explore product developments, application examples and past events. Each dated article describes its publication context; use the current product links for today’s configuration.

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Latest release · 9 September 2026

comemso integrates proven ISO 15118 test libraries into comframe

The proven comemso ISO 15118-4 and ISO 15118-5 test libraries are now available in comframe for AC and DC EVSE communication tests. The in-house implementation builds on the previous CharIN-validated comemso implementation.

Explore the new test libraries

Events & webinars

Live knowledge, retained after the date.

Past events remain clearly marked as archives. Current registration or recording availability is never inferred from an old announcement.

Past webinar30 June 2026

Webinar archive: EVSE testing under control. IEC 61851-23 and beyond

A live webinar with UL Solutions connected IEC charging requirements with a practical DC-CCS testing approach.

Past webinar21 April 2026

Webinar archive: Commissioning and inspection of charging stations

A practical live webinar for electricians and field teams focused on EVSE (electric vehicle supply equipment, or charging station) functionality, electrical safety and repeatable inspection methods.

Past webinar1–2 April 2025

Accelerating megawatt charging: comemso at the CharIN MCS Controller Testival Europe

comemso supported the CharIN MCS Controller Testival Europe in Barcelona as an official sponsor and early MCS test-system contributor.

Customer systems: System of the Month

Explore test systems built for customer projects, from BMS development to charging interoperability and certification laboratories. Each article shows the system and engineering task at the time of delivery.

Project month:

EVCA Flex for EV Testing in the USA

How does a vehicle react when a charging station sends unexpected messages or delays a response? This EVCA Flex lets a customer in the USA investigate these behaviours under controlled conditions.

Project month:

charging interoperability for a returning EV manufacturer

A returning vehicle manufacturer extends its EVCA test capability for AC and DC CCS charging interoperability.

Project month:

compact hybrid BMS testing

An automotive OEM uses a compact 24-cell BCS system for hybrid-vehicle BMS development, with temperature simulation and electrical fault insertion.

Browse all System of the Month projects

Complete archive

Find the relevant story.

Filter by content type, year or a technical term. The archive contains every entry currently published on the official comemso newsblog.

comemso integrates proven ISO 15118 test libraries into comframe
Product & softwarePublished:

comemso integrates proven ISO 15118 test libraries into comframe

The proven comemso ISO 15118-4 and ISO 15118-5 test libraries are now available in comframe for AC and DC EVSE communication tests. The in-house implementation builds on the previous CharIN-validated comemso implementation.

Read article
Accenture extends its EFECT charging-lab collaboration with comemso
Customer storyPublished:

Accenture extends its EFECT charging-lab collaboration with comemso

After eight years of using an EVCA system, Accenture continues its collaboration with comemso for the next stage of charging validation at EFECT in Braunschweig.

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Easy Chester Ultimate: guided charging and safety tests in the field
Product & softwarePublished:

Easy Chester Ultimate: guided charging and safety tests in the field

Easy Chester Ultimate combines guided charging tests, communication checks and configured electrical-safety tests in one portable workflow.

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System of the Month April 2026: EVCA Flex for EV Testing in the USA
System of the MonthProject month:

System of the Month April 2026: EVCA Flex for EV Testing in the USA

How does a vehicle react when a charging station sends unexpected messages or delays a response? This EVCA Flex lets a customer in the USA investigate these behaviours under controlled conditions.

Read article
System of the Month March 2026: charging interoperability for a returning EV manufacturer
System of the MonthProject month:

System of the Month March 2026: charging interoperability for a returning EV manufacturer

A returning vehicle manufacturer extends its EVCA test capability for AC and DC CCS charging interoperability.

Read article
CharIN CCTS validation for EVCA: DC EVSE Basic and Extended
Product & softwarePublished:

CharIN CCTS validation for EVCA: DC EVSE Basic and Extended

comemso announced CharIN recognition of its EV Charging Analyzer as a validated Conformance Test System for the defined DC EVSE Basic and Extended scope.

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System of the Month February 2026: compact hybrid BMS testing
System of the MonthProject month:

System of the Month February 2026: compact hybrid BMS testing

An automotive OEM uses a compact 24-cell BCS system for hybrid-vehicle BMS development, with temperature simulation and electrical fault insertion.

Read article
System of the Month January 2026: EVSE testing for an independent institute
System of the MonthProject month:

System of the Month January 2026: EVSE testing for an independent institute

An independent testing institute adds an EVCA configuration for AC and DC CCS charging-station tests, including IEC 61851-23 test functions.

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Customer story2026

Customer success story: CMI brings charging-station calibration into the field

The Czech Metrology Institute integrated Easy Chester Calimera into a service vehicle for traceable AC and DC charging-station verification on site.

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System of the Month December 2025: EVCA Multi Mobile for interoperability in the field
System of the MonthProject month:

System of the Month December 2025: EVCA Multi Mobile for interoperability in the field

An Italian customer combines real-pair charging analysis with EVCC and SECC communication testing in an EVCA Multi Mobile setup.

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System of the Month November 2025: high-voltage BMS validation for 800 V systems
System of the MonthProject month:

System of the Month November 2025: high-voltage BMS validation for 800 V systems

A 216-cell test system supports BMS development for an 800 V vehicle architecture, with integrated sensor, isolation and fault simulation.

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System of the Month October 2025: EVCA testing according to IEC 61851-23 Annex CC
System of the MonthProject month:

System of the Month October 2025: EVCA testing according to IEC 61851-23 Annex CC

A returning DC charger manufacturer extends its EVCA test infrastructure with electrical fault tests and a separate compact power source for protocol work.

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System of the Month September 2025: CCS EVSE validation before deployment
System of the MonthProject month:

System of the Month September 2025: CCS EVSE validation before deployment

A power provider uses a 350 kW, 600 A CCS test configuration to investigate charging stations before deployment.

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System of the Month August 2025: EVCA AC for ISO 15118 and end-of-line validation
System of the MonthProject month:

System of the Month August 2025: EVCA AC for ISO 15118 and end-of-line validation

An EVCA AC system connects three-phase charging tests and ISO 15118 communication with a repeatable end-of-line workflow.

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System of the Month July 2025: EVCA Flex for certification laboratories
System of the MonthProject month:

System of the Month July 2025: EVCA Flex for certification laboratories

A certification laboratory combines a 350 kW-class EVCA Flex configuration with defined CharIN charging test cases.

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comframe 1.1: simulation, gateway and end-of-line testing
Product & softwareAnnouncement period:

comframe 1.1: simulation, gateway and end-of-line testing

The July 2025 comframe release extended protocol simulation, bidirectional message manipulation and AC/DC end-of-line workflows.

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System of the Month June 2025: high-power charging with deep protocol testing
System of the MonthProject month:

System of the Month June 2025: high-power charging with deep protocol testing

A 350 kW-class EVCA Flex installation connects high-power charging tests with detailed protocol testing and reproduction of field recordings.

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System of the Month May 2025: Easy Chester EOL with customer power electronics
System of the MonthProject month:

System of the Month May 2025: Easy Chester EOL with customer power electronics

Easy Chester EOL integrates the customer’s own power electronics into a repeatable charging-station production test.

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System of the Month April 2025: EVCA Multi Mobile for mobile EVSE testing
System of the MonthProject month:

System of the Month April 2025: EVCA Multi Mobile for mobile EVSE testing

A mobile EVCA configuration combines AC and DC CCS charging tests with the customer’s resistive-load setup.

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System of the Month March 2025: Easy Chester with Long Duration Unit
System of the MonthProject month:

System of the Month March 2025: Easy Chester with Long Duration Unit

Easy Chester with a Long Duration Unit extends a customer’s charging tests to observe behaviour beyond a short functional check.

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System of the Month February 2025: full-power BMS testing in one rack
System of the MonthProject month:

System of the Month February 2025: full-power BMS testing in one rack

A 120-cell BMS test system integrates temperature simulation, isolation tests, fault insertion and the customer’s control units in one safety cabinet.

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System of the Month January 2025: a hybrid approach to EVSE testing
System of the MonthProject month:

System of the Month January 2025: a hybrid approach to EVSE testing

A customer combines portable EVCA Multi Mobile testing with a Gustav Klein power source for laboratory EVSE validation.

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Product & software2025

SmartCal: automated calibration and adjustment for the Battery Cell Simulator

SmartCal guides calibration and adjustment of the Battery Cell Simulator and creates traceable evidence in the laboratory or at the customer site.

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Product & software2025

EMC Link: signal and communication access during active EMC testing

EMC Link transfers charging-interface signals and communication optically across the chamber boundary while EMC stress is active.

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Event & webinar1–2 April 2025

Accelerating megawatt charging: comemso at the CharIN MCS Controller Testival Europe

comemso supported the CharIN MCS Controller Testival Europe in Barcelona as an official sponsor and early MCS test-system contributor.

Read article
Product & software2025

Easy Chester Calimera: mobile calibration for AC and DC charging stations

The Calimera combines mobile high-power EVSE operation, reference measurement and automated documentation for legal-metrology and calibration workflows.

Read article
Product & software2025

comframe Release 1.0: one software foundation for EV and EVSE testing

Release 1.0 moved comframe from beta to a market-ready software platform for measurement, simulation, automation, test libraries and integration.

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Company2025

First global sales-partner training: shared knowledge and regional feedback

A 1.5-day partner event combined product updates, live demonstrations, regional best practices and direct feedback from the international network.

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Product & software2025

MCS-ready and future-proof: a milestone in EV and EVSE high-power testing

A high-power test architecture combined established charging interfaces with an expansion path for the emerging Megawatt Charging System.

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EVCA Multi Mobile Generation 5: a modular Flex architecture
Product & softwareAnnouncement period:

EVCA Multi Mobile Generation 5: a modular Flex architecture

The 2024 EVCA Multi Mobile launch introduced a modular architecture for charging analysis, hardware updates and support for additional charging standards.

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System of the MonthDecember 2024

System of the Month December 2024: 72-cell Battery Cell Simulator

A 72-cell configuration combines temperature-sensor emulation, real-time fault simulation and CAN or EtherCAT control.

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System of the MonthNovember 2024

System of the Month November 2024: EVCA Flex for comprehensive EV testing

A system delivered to an automotive manufacturer supports DC-CCS, CHAdeMO, GB/T DC and AC with advanced fault simulation.

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System of the MonthOctober 2024

System of the Month October 2024: Easy Chester Light for a focused DC check

Easy Chester Light was highlighted as a straightforward way to verify basic DIN 70121 charging-station functionality.

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System of the MonthSeptember 2024

System of the Month September 2024: 204-cell BMS test system

A 204-cell simulator combines temperature inputs, isolation-resistor fault simulation, real-time networks and protected DUT (device under test) drawers.

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System of the MonthAugust 2024

System of the Month August 2024: portable EVSE CCS tester

A customised suitcase-size EV Charging Analyzer/Simulator brought communication testing and diagnostics to mobile EVSE development.

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System of the MonthJuly 2024

System of the Month July 2024: EVCA Flex across laboratory and field

EVCA Flex combines mobile evidence capture with 1,000 V and 250 kW battery emulation for deeper laboratory testing.

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System of the MonthJune 2024

System of the Month June 2024: Easy Chester EOL for legal-metrology production testing

Easy Chester EOL connected repeatable production verification with the measurement and documentation needs of calibration-compliant charging stations.

Read article
System of the MonthMay 2024

System of the Month May 2024: a customised BMS validation system

A customer-specific Battery Cell Simulator configuration expanded BMS validation through scalable channels, faults and automation.

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System of the MonthApril 2024

System of the Month April 2024: first EVCA Flex for AC EVSE testing

The first highlighted EVCA with Flex technology was configured specifically for AC charging-station testing.

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Company2022

The comemso e-learning portal launches

The e-learning portal centralised system-specific learning videos for device-independent access by customers.

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Company2022

We introduce the comemso Customer Care Team

The new team created a clearer interface for after-sales coordination, commissioning, training and technical support.

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Product & software2022

Operation made easy: the revised EVCA user interface

A revised EV Charging Analyzer/Simulator interface reorganised projects, panels and operating steps for clearer daily use.

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Product & software2022

Mini Charger Tester Generation 3.5

Generation 3.5 introduced product improvements and new functions to the former Mini Charger Tester platform.

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Product & software2022

BCS Advanced module and Voltage Oscillation software function

The BCS Advanced module expanded fault simulation and introduced controlled voltage-oscillation scenarios for BMS testing.

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Company2022

comemso supports the local TV Nellingen youth football team

The company extended its regional engagement by sponsoring a local youth football team in Nellingen.

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