Company Profile

Innovative Lithium Battery Testing Solution Provider


About IEST - Lithium ion Battery Tester | Li-ion Battery Testing Solution Provider

IEST is a high-tech enterprise focusing on R&D and production of lithium ion battery tester. IEST is a professional manufacturer that integrating laboratory instrument R&D and production, method development, instrument sales and technical services. Committed to providing leading testing solutions and services for the global new energy field.

IEST comes from "Initial Energy Science & Technology",the initial letter "i"symbolizes lithium-ion batteries, representing IEST focus on new energy.

IEST attaches great importance to the research and development of cutting-edge technologies. It has a multi-disciplinary research team covering, the material science, physics, chemistry, electrochemistry, optics, machinery, electronics, computer science, artificial intelligence and so on. It has carried out independent research on the characterization methods, equipment technology, application solutions, etc., launched a number of industry-leading new instruments, obtained a number of invention patents and utility model patents, and served globally for the material enterprises, cell enterprises, terminal enterprises, scientific research institutes, universities and measuring department of governments.

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Company Culture


Help customers improve quality!

Help customers succeed in R&D!

Promote the development of new energy!


We are committed to becoming a world-leading supplier of new energy testing solutions!

Core Value​


Customer Feedback

Note: According to the 2023 year-end customer satisfaction survey


Pre-sales service consultation satisfaction


After-sales service satisfaction


Product quality satisfaction


Delivery timeliness satisfaction


Convenient operation satisfaction

Intellectual Property

Note: Until May 2023

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Published patents

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Invention patents

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Utility model patents

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Software copyright

Our Clients

About Us

IEST Product Collection

Laboratory Show

In order to facilitate sample testing and method development, IEST has established multiple R&D laboratories.

Production Show

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