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VoltSiftCell modeling and independent validation

From battery teststo models you can validate.

Upload CSV files to fit a cell model automatically.
Validate with independent data, view the results and download a report.

Upload test recordsModel and validate automaticallyView results and reports

Example analysis results

Cell analysis/Analysis demo

Independent validation

The gray dashed line shows measured voltage; the green solid line shows model voltage.3.23.43.63.84.003006009001200VTime / s
Measured voltageModel voltage

Model parameters

Pro and Advanced include model parameters and local simulation files.

Independent validation

Use separate test records to review validation coverage and errors.

Result files

Every plan includes a validation report. Engineering exports depend on your plan.

Choose a plan for your engineering needs.

Free trial

US$0/ analysis

Try the full workflow with your own data.

  • 1 model fit and independent validation
  • Parameters, validation results and report
  • Use within 7 days of email verification
Try one analysis free

Starter

Monthly or yearly

Fit, validate independently and download a report.

  • 100 analyses per month
  • CSV checks, model fitting and independent validation
  • Full validation metrics and review notes online
  • Validation report in Markdown
View plans

Pro

Monthly or yearly

Export models for your engineering workflow.

  • 100 analyses per month
  • Starter analysis and reports included
  • Validation JSON and model parameter ZIP
  • Parameter tables for C, MATLAB and CSV
  • Local C99 voltage simulation
View plans

See all plans and billing details

Try a complete analysis
with your own data.

Create a free account and upload your test records using the CSV templates.

Create a free account

Working as a team?
Tell us what your team needs.

For team plans, additional analysis credits or data integration, leave your email and we’ll get back to you.

Create a free account

Developer docs
Cell and test details

Contact details are kept for 90 days, then removed during regular cleanup.

Before you
get started.

Developer docs
What data do I need?

Prepare fitting records, independent validation records and an open-circuit voltage curve. Upload them using the CSV templates.

What do I receive after analysis?

Every plan includes full validation results online and a downloadable report. Pro and Advanced also provide validation JSON, model parameters and local simulation files.

How do I start a free trial?

Register and verify your email to get 1 free analysis, available for 7 days.

How do I manage uploaded data?

You can download results or delete projects in your workspace. Data handling, retention and backups