comemso
Contact
Product Finder
Applications
Start with the decisionApplications
Vehicle and charging station
EV TestingVehicle, EVCC and charging-release validation.EVSE TestingCharging-station development through field operation.InteroperabilityReal EV and EVSE in one synchronized test record.
Battery, MCS and EMC
BMS TestingCells, sensors, balancing and controlled faults.BMS + EVCC + OBCValidate the interaction of battery, charging controller and on-board charger.MCS TestingCommunication, signals, cooling and megawatt power.EV Charging EMCKeep charging communication observable under EMC stress.
Production, commissioning and calibration
EVSE End-of-LineRepeatable acceptance and unit-level results.Commissioning & Field ServiceCommission, diagnose and verify installed chargers with an EV charger tester.Calibration & MetrologyTraceable energy verification at the charging point.
Products
Start with the decisionProducts & PlatformsProduct Finder
EVCA
EVCA PlatformCommunication, interoperability, high-power, MCS and EMC paths.EVCA ComOnlyFocused charging communication testing.EVCA Multi MobilePortable laboratory and field analysis.EVCA InteropAnalyse interoperability between a real EV and EVSE.EVCA FlexModular high-power testing and controlled faults.EVCA MCSMegawatt charging communication, low-level signals and system testing.
Easy Chester
Easy Chester PlatformEVSE production, commissioning, service and calibration.Easy Chester MicroWallbox tester for AC chargersEasy Chester UltimateDC fast charger tester (AC/DC)Easy Chester CalimeraAC and DC EVSE calibration systemEasy Chester EOL / EOL HPCEVSE end-of-line production tester
Battery, software and EMC
Battery Cell SimulatorBMS testing from compact bench to high-voltage HiL.SmartCal calibration (accessory)Automated calibration and adjustment of the Battery Cell Simulator.comframeConfiguration, synchronized analysis and automation.EMC LinkOptical charging communication through the chamber boundary.
Software
Start with the decisionSoftware Capabilities
comframe and integration
comframeThe test software for every comemso system.Integration & APIsREST, Python, CI/CD and laboratory orchestration.Protocol & Domain ModulesSelect released domain depth.Capabilities HubConnect the capability model across EV, EVSE and BMS testing.EVCA Capability HubExplore the detailed EV charging capability stack.
Analyse and test
Automated Standards AnalysisMeasured behaviour, normative context and highlighted deviations.Professional SimulationConfigure nominal, boundary and non-conform behaviour.Manipulating GatewayTest a live correction hypothesis between real partners.
Reproduce and automate
Charge PlaybackReproduce the charging partner for the DUT.Charge Cycle AutomationTurn saved configurations into repeatable campaigns.Conformance Test LibrariesVersioned executable standards-based test logic.
Knowledge
Start with the decisionStandards & Knowledge
Standards and test logic
Charging, Safety & EMCCharging behaviour, field safety, editions and test boundaries.Conformance Test LibrariesReleased executable test logic, verdicts and evidence.AFIR for EV ChargingRegulation, responsibility and verifiable evidence.NACS (SAE J3400)Charging communication tests for the North American Charging Standard.UL standards & EVSE field safetyUL requirements and electrical safety checks at installed charge points.
Methods and terminology
Knowledge CenterTechnical explanations, methods and application guidance.GlossaryStable charging and BMS test terminology.EVSE Calibration MethodsCompare controlled real load and reference measurement.Testing a wallboxProcedure, standards, limits and test report for electricians.Battery Cell SimulationCells, balancing, faults, precision and BMS HiL.
Documents and tools
Resources LibraryCurrent brochures, webinars, guides and checklists.BMS testing whitepaperTemperature, environment, simulation and test wiring.EVSE Inspection GuidePractical commissioning and inspection workflow.Charger Uptime CalculatorEstimate downtime and field-service impact.Technical newsletterChoose product updates and events relevant to your tests.
Company
Start with the decisionCompany
Company
About comemsoEngineering purpose, history and operating companies.Development & manufacturingShort paths from development to system testingQuality & CertificationsManagement systems, validation and calibration evidence.Customer ProofNamed stories, endorsements and published configurations.SustainabilityEnvironmental management and measured progress.
People and network
Customer Care TeamDelivery, commissioning, training and support.Sales PartnersRegional commercial and service access.CareersWork on deep e-mobility testing.
Updates and contact
News & EventsProjects, releases, webinars and company updates.Request a technical demoDiscuss your test task with the comemso team.ContactSales, support and locations in one place.

Customer proof

Customer Experiences with comemso

A synchronised EVCA recording helped the customer’s engineers target an EVSE precharge correction and verify it with the real charging pair.

Read the customer storyFind your test system
IndependentInvestor-free and owner-led since 2009
In-houseEngineering and production under one roof
InnovationComplex requirements made testable
ResponsibilityLong-term support from real experts

See the problem, the method and the next test.

EVCA Multi Mobile

Seven months of charging failures. Cause found in one site visit.

The diagnostic sequence shows how the customer’s engineers used a synchronised EVCA recording to target an EVSE precharge correction, then checked the result with the real charging pair.

Follow the diagnostic steps

Battery Cell Simulator

From 24 cells to 2 × 132 channels: BMS testing that grew with a second-life storage business.

From 24 simulated cells to two systems, each with 132 cell channels and 40 temperature channels.

Read the BESS account

Published EVCA project

High power and EMC work in Thailand.

Two analysers and two 160 kW emulators for parallel testing or combined operation up to 320 kW.

Read the laboratory project

System of the Month

Explore delivered test systems and the engineering tasks behind them.

Explore System of the Month

Named success story

Czech Metrology Institute brings EV charging calibration into the field.

Read about the mobile configuration, reference-measurement workflow and field capability.

Easy Chester Calimera mobile calibration system integrated into a service vehicle
Easy Chester Calimera

Traceable AC and DC verification at the installed charging station.

  • Mobile laboratory architecture
  • Reference measurement and controlled load operation
  • Structured reporting and trained users
Read the complete customer story

Published configurations

Explore delivered test configurations.

These examples document delivered configurations. Use the current product specification when planning another setup.

EVSE validation350 kW CCS test configurationCommunication, signals, power behaviour and controlled faults.BMS validation216-cell high-voltage configurationCell simulation, isolation and fault insertion in an 800 V context.
High-power EV chargingProtocol testing with a defined power boundaryPublished scope for engineering orientation and project discussion.

Choose your next step

Understand the path, see the workflow, then configure the system.

01 · ExploreFind your test pathSelect DUT and lifecycle decision.
02 · ExperienceSee the test workflowRequest a technical demonstration for your application.
03 · DiscussDiscuss your test taskClarify known requirements and open questions together.
Selected worldwide references

Customer experiences and endorsements are labelled. Related application videos show the respective testing workflow.

BMS development and research
Customer testimonials

“We ensure high-quality test results with the right test equipment”

Sven ÖhrkeMember of Management Boards, VDE Prüf- und Zertifizierungsinstitut GmbH

“Currently the best and most complete vehicle simulator / sniffer / man in the middle we have used.”

Montagna GiampieroHead of Digital Lab, KEMA Labs

“Thanks to the use of your equipment, we have achieved excellent results in our validation and certification process. Their quality and performance have exceeded our expectations.”

Anssony PerezEV Test & Validation Engineer, FlooxChargers, S.L. by Premium PSU

“At TI, we know having the right tools and support makes innovation possible. Our broad portfolio of devices for battery management systems coupled with comemso’s proven results and accuracy with their battery cell simulator helps accelerate design time. comemso offers the ability to test and measure your system on a cell level with high precision.”

Mark NgGeneral Manager for HEV/EV Powertrain, Texas Instruments

“Outstanding technical knowledge of comemso and customer application. High product quality and suitable for research.”

Prof. Dr. Remus TeodorescuAalborg University Denmark

“Our engineers are highly satisfied with the comemso battery cell simulator. Throughout our BMS development and validation activities, battery cell simulator consistently delivered high accuracy, intuitive operation and excellent performance.”

Meng ChenBattery System Engineer (BMS focus), Hybern Energy Germany GmbHFlorian SailerBattery Systems Engineer, Hybern Energy Germany GmbH

“The flexible simulation of real-world battery conditions with the comemso BCS allows us to automatically test different real-life scenarios from our customers of grid, automotive, and transportation area and identify & eliminate safety-critical factors to improve performance at an early stage.”

Keijo LassSoftware Engineering Manager, Skeleton Technologies

“As a product-independent full-service provider for sustainable charging systems, comemso not only convinced us because of their market establishment, but above all because of the manufacturer-independent application options. In this way, we can guarantee our customers quick service calls and feedback on the reliable functioning of their charging points.”

Michael BorowskiHead of Product Management Electromobility, synfis

“We’ve been using the comemso Mini-Charger-Tester to test our hyper-fast charging, and we’re impressed by the ease of use, stability and precision of the compact solution.”

Jack JohansenProject Manager, Clever A/S

“Comemso offers innovative solutions to the industry, offering support and a quality product. Highly recommended!!”

Antonio Puerta VicenteGRUPO SGS ESPAÑA

“Fantastic piece of testing kit.”

Joe GabrielOperations Director, JOJUSOLAR

“The charging specialists at umlaut use the comemso EV Charging Analyzer in our EFECT lab at the Braunschweig site. Since our collaboration with comemso has been excellent for many years, umlaut has once again upgraded the EFECT with comemso hardware.”

Christian NeidelEFECT-Ladelabor, umlaut – Part of Accenture

Frequently asked questions

Customer Proof for EV Charging & BMS Testing FAQ

Are these measured customer outcomes or illustrative examples?

The stories identify their published or anonymised project basis. Any added teaching example is labelled separately and does not claim an additional customer result.

Does a project configuration define every product’s capability?

No. A project describes the delivered configuration and its use. Refer to the current product scope when planning a different setup.

Technical updates from comemso

Stay informed about the testing topics that matter to you.

Product and software updates, practical testing insights, and invitations to comemso events. Choose your interests before you subscribe.

Choose my newsletter topics

Select your topics. Confirm by email. Unsubscribe at any time.

Talk to comemso

Talk to the people behind the systems.

Bring the application, company question or collaboration topic directly to the responsible team.

Find your test systemRequest a 15-minute demo