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EV TestingVehicle, EVCC and charging-release validation.EVSE TestingCharging-station development through field operation.InteroperabilityReal EV and EVSE in one synchronized test record.
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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.
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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 MicroCompact AC testing with a guided, portable workflow.Easy Chester UltimateGuided commissioning, service and safety testing.Easy Chester CalimeraMobile charging-station calibration.Easy Chester EOL / EOL HPCAutomated testing in EVSE production.
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Battery Cell SimulatorBMS testing from compact bench to high-voltage HiL.comframeConfiguration, synchronized analysis and automation.EMC LinkOptical charging communication through the chamber boundary.
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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.
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Charge PlaybackReproduce the charging partner for the DUT.Charge Cycle AutomationTurn saved configurations into repeatable campaigns.Conformance Test LibrariesVersioned executable standards-based test logic.
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Capabilities HubConnect the capability model across EV, EVSE and BMS testing.EVCA Capability HubExplore the detailed EV charging capability stack.comframeThe shared test-intelligence environment.Integration & APIsREST, Python, CI/CD and laboratory orchestration.Protocol & Domain ModulesSelect released domain depth.
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EV and EVSE test systems

EVCA Multi Mobile: portable EV and EVSE test system

Take a charging measurement from the laboratory to the vehicle or field installation. Use Multi Mobile to observe a real charging pair or configure a simulated partner with the necessary external power equipment.

Find your test solution See the three test roles
Front view of the EVCA Multi Mobile portable EV and EVSE test system
EVCA Multi MobilePortable charging test platform
One portable architectureMove between laboratory, vehicle, test event and field.
Three test rolesSimulate the EV, simulate the EVSE or analyse the real pair.
Multiple charging familiesConfigure AC, CCS and NACS, CHAdeMO or GB/T DC.
One evidence chainKeep signals, protocol, timing and electrical behaviour aligned.

One device from a field finding to laboratory EV simulation.

An EVSE (electric vehicle supply equipment, or charging station) manufacturer purchased Multi Mobile with a 3 kW laboratory source/load after a precharge investigation. About three minutes of human analysis followed the recording; setup, software work and retest took additional time.

Read the customer account

Portable engineering system

Investigate charging behaviour at the vehicle or field site

Vehicles, prototypes and charging partners may only be available on site, in workshops, on proving grounds or at test events. Moving the DUT (device under test) can delay diagnosis or remove the condition that triggered the failure.

EVCA Multi Mobile brings the charging interface to the site and supports controlled reproduction and regression back in the laboratory.

Product boundary

Multi Mobile serves development, analysis and validation. Select EVCA Flex when integrated high-power, switching and deep electrical fault injection dominate the test objective.

EVCA Multi Mobile connected between a real electric vehicle and a public DC charging station
Portable physical-interface testing at the real charging location. The final cables, modules, power hardware and software scope follow the configured system.

One system. Three boundaries.

Simulate either charging partner or analyse the real pair between them.

EVCA Multi Mobile positioned for EV simulation, EVSE simulation and gateway analysis

EV simulation

Test the charging station.

Multi Mobile behaves as the electric vehicle and provides controlled vehicle, battery-request and communication behaviour to a real EVSE.

  • Configure normal, boundary and non-conform EV behaviour.
  • Measure Control Pilot (CP), HLC, timing and configured voltage/current values.
  • Connect project-specific load or bidirectional power hardware where energy transfer is required.
  • Execute reusable simulations, automation and supported EVSE Test Libraries.
Open the EVSE Testing application

EVSE simulation

Test the electric vehicle.

Multi Mobile behaves as the charging station and challenges the real charging inlet, EVCC (vehicle-side charging communication controller), onboard charger and vehicle charging logic.

  • Provide configurable SECC, signal and protocol behaviour.
  • Vary messages, timing, limits, authorisation and termination.
  • Connect project-specific source hardware when the vehicle must receive power.
  • Correlate vehicle-side CAN data and EVCC, OBC and battery management system (BMS) reactions where integrated.
Open the EV Testing application

Passive or manipulating gateway

Analyse the real EV and EVSE.

Place the system between both charging partners and correlate what each side transmits, measures and does on one synchronised timeline.

  • Observe the real pair without replacing either implementation.
  • Decode supported CCS communication, including applicable gateway access for TLS/PnC.
  • Modify, delay, suppress or replace selected live information where configured.
  • Record field behaviour for root-cause verification and later reproduction.
Open Interoperability & Charging Analysis

Charging-specific analysis

Showing decoded data is not the same as analysing the charging process.

Multi Mobile links the physical interface, low-level signals, protocol content, timing and available electrical measurements for charging-process analysis.

EVCA Multi Mobile evidence chain across interface, signals, protocol, electrical values and time
Physical interface

Regional connector, inlet, CP, Proximity Pilot (PP), PLC (power line communication) or CAN path and auxiliary signals remain part of the measurement.

Protocol behaviour

Retain sender, message content, order, state and configured TLS or certificate context.

Timing

Review message delays, state transitions and the physical reaction on the same timeline.

Electrical response

Correlate configured voltage, current and external measurement channels with the communication sequence.

Standards-aware evaluation

Use comframe to compare behaviour with expected limits and highlight relevant deviations. Keep the result as evidence.

From field recording to laboratory test

Turn one difficult charging event into a controlled, repeatable test.

Engineer using EVCA Multi Mobile and a laptop during a real charging analysis
Capture and analyse the real EV-to-EVSE interaction at the site.
EVCA Multi Mobile portable test setup beside an electric vehicle and charging station
Use the same EVCA test intelligence in changing environments.

From a real charging event to reusable test evidence

  1. Connect and capture

    Record protocol, signals, timing and electrical values at the real charging interface.

  2. Isolate the cause

    Align every layer and let standards-aware analysis highlight the deviation.

  3. Change one variable

    Modify message content or timing with the Manipulating Gateway or simulation.

  4. Reproduce physically

    Use Charge Playback to recreate recorded behaviour at the charging interface.

  5. Automate regression

    Save the case, vary it and run it repeatedly through Charge Cycle Automation or REST API.

Use field evidence for a controlled, repeatable lab test

Shared EVCA analysis, simulation and automation

Configure the test. Do not develop the test environment from scratch.

Explore the comframe analysis, simulation and automation functions for your Multi Mobile configuration.

Automated Standards Analysis

Relate measurements, state transitions, timing and messages to normative expectations and highlight deviations.

Professional Simulation

Configure supported message values, timing, optional sequences and deliberately non-conform behaviour.

Manipulating Gateway

Observe and change selected live communication while both real charging partners remain connected.

Charge Playback

Physically reproduce recorded protocol-level EV or EVSE behaviour so the DUT interacts with a repeatable partner.

Charge Cycle Automation

Sequence configurations and variants for repeatable campaigns, endurance work and regression.
Conformance Test Libraries

Execute released standards-based test cases with automated steps, supported verdicts and reports.

REST API and integration

Connect Multi Mobile to project automation, external measurement, HIL (hardware-in-the-loop) and CI workflows.

The quotation must identify hardware, connectors, software licences, Test Libraries and released scope for each charging interface, protocol and test role.

Charging technologies and standards

Take one portable EVCA architecture across the charging families your programme must support.

Connectors, protocol versions, measurement ranges and Test Libraries are configuration-specific.

PLC-based charging

Configure Type 1, Type 2, Combo or NACS interfaces for EV, EVSE and gateway roles.

CAN-based DC charging

Use configured CHAdeMO connector, CAN communication and low-level state access in EV, EVSE or measurement roles.

Chinese DC charging

Address EV and EVSE communication for supported GB/T generations without changing to a separate analysis architecture.

Charging communication under stress

An optional EMC-compatible housing supports configured EV or EVSE test roles while the DUT is exposed to conducted or radiated stress.

Communication, security and conformance have distinct scopes.

ISO 15118-20 communication, Plug and Charge, TLS gateway access, certificates and conformance Test Libraries require separate release confirmation.

Configuration logic

Specify the system around the DUT, interface and engineering decision.

  1. 01
    DUT and role

    EV, EVSE, both real partners, charging controller or coordinated subsystem.

  2. 02
    Charging interfaces

    AC, CCS1, CCS2, NACS, CHAdeMO or GB/T DC, including connector arrangement.

  3. 03
    Communication depth

    Low-level signals, PLC or CAN, HLC (high-level communication), timing, TLS, certificates and external CAN data.

  4. 04
    Power context

    Measurement only, customer load, source, bidirectional supply or planned EVCA Flex link.

  5. 05
    Capabilities and evidence

    Gateway, Professional Simulation, Charge Playback, Test Libraries, automation, REST API and reports.

  6. 06
    Environment and growth

    Laboratory, vehicle, field, test event, EMC chamber, Interop workflow or later Flex expansion.

Find your test solution Compare the EVCA platform
Right-side product view of EVCA Multi Mobile showing portable enclosure and charging interfaces
PortableLab, vehicle, field
ConfigurableRole, interface, power
ScalableInterop and Flex paths

Frequently asked questions

EVCA Multi Mobile product questions

What is EVCA Multi Mobile?

EVCA Multi Mobile is the portable system path within the comemso EV Charging Analyzer/Simulator platform. It combines configured physical charging interfaces, EV and EVSE simulation, passive or manipulating gateway analysis and comframe test intelligence for laboratory, vehicle and field work.

Can one system test both electric vehicles and charging stations?

Yes. In EV simulation, Multi Mobile acts as the vehicle side to test a real EVSE. In EVSE simulation, it acts as the charging-station side to test a real EV. Exact interfaces, power integration and protocol releases depend on the configured system.

Can EVCA Multi Mobile analyse a real EV and a real EVSE at the same time?

Yes. In passive or manipulating gateway configurations, Multi Mobile is placed between both charging partners and correlates supported signals, protocol messages, timing and electrical measurements on one timeline. Applicable TLS access requires the corresponding gateway, certificate and release configuration.

Which charging technologies can be configured?

Published Multi Mobile configurations cover AC and DC CCS Type 1 and Type 2, NACS, CHAdeMO and GB/T DC. The quotation must state the actual connectors, protocol generations, measurement scope and Test Libraries.

Does EVCA Multi Mobile support ISO 15118-20?

ISO 15118-20 communication is available in applicable released EVCA configurations. Basic communication support, simulation depth, security functions and conformance Test Library availability are separate scopes and must be confirmed independently.

Does the system include a high-power source or load?

Not by default. Multi Mobile is optimised for portable physical-interface access, simulation and synchronised analysis. Project-specific resistive loads, sources or bidirectional power systems can be integrated. EVCA Flex is the dedicated path when scalable high-power and deep electrical fault testing are primary.

EVCA system planning

Configure your portable Multi Mobile system.

Specify the charging interfaces, EV/EVSE simulation or gateway role, software options and external power equipment for your laboratory and field work.

Find your test solutionContact application engineering

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EVCA system selection and growth

Choose Multi Mobile when the DUT or charging problem moves.

Compare systems by the dominant test boundary.

Controller and communication bench
EVCA ComOnly

EVCC and SECC (station-side charging communication controller) communication development without the broader portable charging-interface and power context.

Grow toward Multi Mobile or Flex
Portable physical-interface testing

EVCA Multi Mobile

Portable EV/EVSE simulation and gateway analysis.

Current product path
Focused real-pair root cause
EVCA Interop

Dedicated real EV-to-real EVSE workflow for capture, synchronised analysis, validation and field-to-lab transfer.

Use when the real pair is primary
Scalable laboratory and power depth
EVCA Flex

External or integrated source/load architecture, switching, high voltage and deep electrical fault testing.

Upgrade when power risk dominates

Product boundary at a glance

Exact implementation still depends on connector, module, software and external power configuration.

On smaller screens, scroll the table horizontally to see every column.

Selection criterionComOnlyMulti MobileInteropFlex
Primary purposeController communicationPortable lab, vehicle and field testingStructured real-pair investigationModular high-power validation
Physical charging interfaceController or integration interfacePortable regional connectorsDefined by the real-pair setupConfigurable laboratory interfaces
EV and EVSE simulationYes, communication-focusedYes, with portable physical contextCase-dependentYes, scalable
Real EV + EVSE analysisInterface-dependentStrong mobile rolePrimary product roleConfigurable
Power and fault depthCommunication onlyMeasurement and external project hardwareMeasurement and partner interactionLow to high power and deep faults