Safety evaluation, lifespan testing, and performance evaluation (battery / AC adapter / power supply)
We want to prevent smoke and fire accidents and short lifespan! We offer safety evaluation of batteries, safety evaluation testing of power supplies and AC adapters, noise tolerance evaluation, and characteristic evaluation.
■Safety Evaluation, Lifespan Testing, and Characteristic Evaluation of Battery Units Lithium-ion batteries are composed of flammable materials and inherently carry the risk of smoke and fire. With the rapid proliferation of secondary batteries, fire incidents have been increasing year by year. This is partly due to the insufficient verification of smoke and fire risks. - Not all batteries are subject to PSE (Product Safety Electrical) regulations. - PSE certification tests do not fully verify safety. - Necessary protections may not be included. As a third-party verification of battery units, we assess the battery's capabilities through tests different from PSE testing: - Nail penetration test (simulating internal short circuit to assess capabilities) - Heating limit test (heating to thermal limits to assess capabilities) - 0V charging prohibition protection (assuming recharging after long-term storage) ■Power Supply Unit and AC Adapter Evaluation / Failure Analysis - Safety evaluation of power circuits, wireless power transmission, and USB PD (Power Delivery). - Conducting various noise injection tests to verify noise tolerance and characteristic evaluation in line with power supply specifications. - Evaluation of power supply devices such as power supply units, AC adapters, UPS, and DC-DC converters, including evaluation of the built-in power circuits and verification of power failures.
basic information
■Main Services - Safety evaluation, lifespan testing, and characteristic evaluation of battery units (Safety evaluation of battery cells, verification of battery pack protection circuits, lifespan and characteristic evaluation) - Reliability evaluation (Lifespan testing/characteristic evaluation of batteries, application evaluation tests that cannot be handled by existing equipment) - Safety evaluation tests for power units and AC adapters, noise tolerance evaluation, characteristic evaluation ■Main Equipment - Battery test system (charge/discharge tester) Charge/discharge cycle testing for batteries (including lead batteries) Customizable specifications available Automatic cycle testing possible through program settings - Advanced Safety Tester (ADST) Safety evaluation of secondary batteries External short circuit, temperature (-40 to +100°C) Internal short circuit (nail penetration test), external pressure (crush test)
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Applications/Examples of results
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| Model number | overview |
|---|---|
| Power supply and battery-equipped product standard testing agency service | We undertake various public standard tests applicable to household and commercial electrical products (JIS, UL, IEC, etc.). |
| Power Supply / AC Adapter Evaluation / Failure Analysis | Extract and propose appropriate reliability evaluation and testing content from the anticipated failure modes. |
| Investigation and analysis of causes of smoke generation, ignition, and burning damage. | Commissioned to investigate the causes of smoke, fire, and damage in electrical and electronic products. |
| Evaluation of the lifespan and deterioration diagnosis of market operating devices and equipment. | Visualizing and quantifying the degree of deterioration and remaining lifespan of equipment and facilities that are currently in operation or use in the field. |
| Applied contract testing (reliability evaluation testing, environmental testing, failure reproduction testing) | By coordinating with physical wiring switching circuits and various sensors, it enables the implementation of complex reliability evaluation tests, environmental tests, and reproducibility tests that cannot be conducted with conventional testing machines. |
| Quality verification of OEM products, supplier management, market research. | We undertake part of the supplier quality management tasks, such as quality verification of OEM products from supplier factory audits and market research to assist in determining the authenticity of market products. |
| Support for Automotive SPICE process development | The Battery Management System (BMS) is particularly important in electric vehicles. It strongly requires an understanding of Automotive SPICE as a compliance requirement for in-vehicle software development, and supports the construction of development processes. |
