Battery Test Equipment

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Arbin offers charge/discharge battery testing systems
ranging from μA single cell applications up to 1MW packs.

Applications Include

Coincell, cylindrical, prismatic, & flat cell testing
Battery cycling, electrochemical experiments, and advanced real-world simulations
Battery packs and modules of all sizes
Any battery chemistry including lithium, silicon, sulfur, lead-acid, nickel, & more
HPC measurements (coulombic efficiency)

Product Highlights

Measurement Precision

Better than 100ppm precision standard on all LBT models

High precision CE testing available up to 200A with HPT models

Resolution

Industry-leading 24-bit resolution
(1 part in 16,777,216)

EIS

High accuracy EIS measurements can be multiplexed for all channels in a multi-channel system using a 3rd party EIS module.

Channel Function

Each testing channel operates fully independent of other channels

Parallel any number of channels for increased current handling

Data Logging

Standard data logging rate at 2000 points per second, per system

High speed pulse testing available

Circuitry

True bipolar circuitry ensures cross-zero linearity and zero switching time between charge and discharge

Safety

Redundant internal micro-controller dedicated to safety monitoring

BMS Communication

Communicate with internal battery management system via CANBus or SMBUs protocol

Auxiliaries

Many auxiliary channels are available such as additional voltage ref electrodes, temperature measurement, chamber control, digital I/O, and more

Importance of Precision

ce_rrrf

This plot illustrates the difference between an Arbin battery tester and another leading manufacturer. The two distinct dips in the plot may have been missed using inferior test equipment. While many companies try to sell the same antiquated equipment for over a decade, Arbin has been hard at work improving our designs to meet future industry demands. We learned a lot during our three year ARPA-E project to develop high-current high-precision testers, and have implemented this new technology in our MSTAT, LBT and HPT test equipment series. The HPT and MSTAT systems represent our premium product, but LBT is superior to other standard testers on the market.

What Affects Tester Precision
Resolution of DAC
Resolution of ADC
Non-linearity of calibration
Short-term drift (temperature)
Long-term drift (material characteristics)

Arbin Tester Improvements
Higher Resolution
Improved Software Algorithms
New Ways of Temperature Management
New Patented Shunt Design
New Method of Time Keeping
New Materials

Measurement precision is more critical for long‐term battery testing and long‐term battery projections than control accuracy alone. Most other battery testing systems do not correctly specify their precision and/or have relatively poor precision, which hinder the conclusions drawn from results data. Important trends and electrochemical indicators may remain unnoticed; lost in the measurement noise as illustrated above.

Our hope is that these higher degrees of measurement precision will lead to new discoveries and characterization metrics across the energy storage industry for all organizations, not only those looking at coulombic efficiency as a key indicator.

How to Evaluate Battery Test Equipment

Batteries are a critical component of many products, and energy storage plays a very active role in our lives even outside of the research/industry setting. Therefore, selecting the right battery test equipment is an important decision for companies and the individual researchers who are responsible for producing results, whether they are starting small, or at massive scale.

The expert engineers at Arbin have been advancing the benchmark of “state-of-the-art” battery test equipment for over 27 years. We are defined by innovation, from being the first to apply multiple current ranges on a single test channel to more recently being the only company to offer true high-precision testing for high current applications, and supporting “Turbo Mode” with smart battery modules. We continue to learn from our industry partners and work with them on key technology breakthroughs.

The following report shares some of this knowledge using plain terminology and illustrations. Here are five key topics to consider when choosing battery test equipment:

Click to request access to the full report: “How to Evaluate Battery Test Equipment.”

1. Hardware – Specifications & Quality of Materials [Preview Report]