jianglst / newarenda

Python module and command line tool for reading and converting Neware nda and ndax battery cycling data files.

NewareNDA

© 2023 Copyright SES AI
Author: Daniel Cogswell
Email: [email protected]

Python module and command line tool for reading and converting Neware nda and ndax battery cycling files. Auxiliary temperature fields are currently supported in nda format, with support for ndax auxiliary fields in development.

Installation

To install from the PyPi package repository:

pip install NewareNDA

To install from source, clone this repository and run:

cd NewareNDA
pip install .

Usage

import NewareNDA
df = NewareNDA.read('filename.nda')

Command-line interface:

NewareNDA-cli.py in_file.nda --format feather out_file.ftr

The following --format options are supported: csv, excel, feather, hdf, json, parquet, pickle, stata

Troubleshooting

If you encounter a key error, it is often the case that your file has a hardware setting that we have not seen before. Usually it is a quick fix that requires comparing output from BTSDA with values extracted by NewareNDA. Please start a new Github Issue and we will help debug.