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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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Official logo & brand assets →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 librariesEvents & 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.
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.
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.
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.
Complete archive
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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
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.
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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
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
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.
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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.
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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
An automotive OEM uses a compact 24-cell BCS system for hybrid-vehicle BMS development, with temperature simulation and electrical fault insertion.
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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.
Read articleCustomer 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
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
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
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
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
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
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
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
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
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
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
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
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
A customer combines portable EVCA Multi Mobile testing with a Gustav Klein power source for laboratory EVSE validation.
Read articleSmartCal: 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.
Read articleEMC 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.
Read articleAccelerating 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 articleEasy 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 articlecomframe 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.
Read articleFirst 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.
Read articleMCS-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
The 2024 EVCA Multi Mobile launch introduced a modular architecture for charging analysis, hardware updates and support for additional charging standards.
Read articleSystem 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.
Read articleSystem 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.
Read articleSystem 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.
Read articleSystem 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.
Read articleSystem 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.
Read articleSystem 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.
Read articleSystem 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 articleSystem 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.
Read articleSystem 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.
Read articleThe comemso e-learning portal launches
The e-learning portal centralised system-specific learning videos for device-independent access by customers.
Read articleWe introduce the comemso Customer Care Team
The new team created a clearer interface for after-sales coordination, commissioning, training and technical support.
Read articleOperation made easy: the revised EVCA user interface
A revised EV Charging Analyzer/Simulator interface reorganised projects, panels and operating steps for clearer daily use.
Read articleMini Charger Tester Generation 3.5
Generation 3.5 introduced product improvements and new functions to the former Mini Charger Tester platform.
Read articleBCS Advanced module and Voltage Oscillation software function
The BCS Advanced module expanded fault simulation and introduced controlled voltage-oscillation scenarios for BMS testing.
Read articlecomemso 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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