Testing Capabilities

Understanding batteries, their performance, characteristics and functionality is crucially important when managing battery fleets, or when considering future battery requirements.

At Master Instruments, our engineers utilise a number of different test procedures to ascertain battery performance & suitability for different applications, failure analysis & obsolescence planning, plus isolating short comings to allow us to provide our customers with the best options for their price, performance and total cost of ownership parameters.

The links below provide an in-depth analysis of 14 common test procedures currently used by our engineers. These tests provide you with Objective, Procedure and Results examples, and suggested testing equipment. All presented in a logical and easy-to-read format with a printable PDF download for each.

Should you wish to discuss your own test or maintenance requirements, please call us our sales team who would be more than happy to assist.

Open Circuit Voltage Test

Identify the difference of electrical potential between 2 terminals when disconnected.

Test Under Specified Load

Simulate battery performance through user-defined loads.

Internal Resistance Test(AC)

Measure the opposition to current flow.

Learn Function

Create & store matrix for use with Quicktest.


State of Health Test for Cadex.


Auto Test

Exercise program to maintain battery performance.



30 Second or 4 Minute State of Health test.



Fast Charge a battery in a monitored environment.


Test battery performance under specified load.

Life Cycle Test

Determine total life by number of cycles.

Prime Test

Prepare new or stored battery for use.

Boost (Wake up)

Reactivate batteries with open or short circuit.


Measure charge loss over a specified period.

Reading Smart Battery

Check calibration of fuel gauges.

Customer Number: