Maintaining lead acid batteries for UPS stations require measuring dozens to hundreds of cells introducing potential human recording errors and time-consuming data management. Preventing the need to redo measurements and efficiently manage location data can help save time and increase your teams efficiency. Hioki’s latest portable battery tester, BT3554-52, will help streamline your UPS and lead acid battery diagnostics with high precision measurements and voice guided capability.

BT3554-52 Features

The BT3554-52 comes with new features that will help streamline measurements by providing operators the ability to input location information as well as applications-based audio guidance for measurement sequence and results.


Webinar Invitation

We are excited to invite you to our first webinar of the year!

The topic is: Advances in Battery Testing for Backup and Storage Applications

Click Here to Register Today!

Battery technology has revolutionized the way we live. The increase of mobile electric devices has triggered an explosive growth in the demand for stationary battery banks! In this webinar, we will give an overview of all aspects related to lead-acid batteries such as discuss the state of the art battery technology, and show what measurements need to be performed to maximize the lifetime.


Video Interview



Read Hioki E.E. Corporation Press Release

February 2, 2021 - Nagano, Japan
Streamline lead-acid battery diagnostics with measurement and recording guidance
Hioki is pleased to announce the launch of the Battery Tester BT3554-52, which streamlines lead-acid battery diagnostics with audio measurement and recording guidance* 1 and functionality for... [Read More]





Established in 1935, HIOKI E.E. CORPORATION (TSE: 6866) has grown to become a world leader in providing  consistent delivery of test and measuring  instruments through advanced design, manufacturing, and sales and services. By offering over 200 main products characterized by safety and quality while meeting an expansive range of applications, we aim to contribute to the efficiency  and value of our customers' work  in research and development, production and electrical maintenance. HIOKI products and services are available around the world through our extensive network of subsidiaries and distributors. Information about HIOKI is available at