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Accidents involving products equipped with lithium-ion batteries, such as mobile batteries, are increasing year by year. There are calls for caution regarding the rise in fire incidents caused by lithium-ion batteries due to high temperatures. Lithium-ion batteries are composed of flammable materials and inherently carry the risk of smoke and fire. As secondary batteries have rapidly proliferated, fire incidents have also been on the rise each year. This is not only due to the harshening of usage environments and mechanisms but also because the risks of smoke and fire have not been fully verified. As a third-party verification of battery units, we assess battery performance through tests different from PSE testing: - Nail penetration test (simulating internal short circuits to assess performance) - Heating limit test (heating to thermal limits to assess performance) - 0V charging prohibition protection (assuming recharging after long-term storage) Do you have any of these concerns? - I recognize that it is dangerous, but I don't know what to do. - I lack experience and know-how in evaluation, and I am anxious about ensuring safety. - I want to determine not only safety but also whether the battery has characteristics suitable for the product. - I want to evaluate the product's durability against high temperatures, drops, and impacts to prevent fire incidents in the market.

■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.

We accept contracts for reliability evaluations, environmental testing, and safety assessments in accordance with various standards. If any issues arise after implementation, we also conduct cause investigations. Furthermore, based on a standard test, we propose the realization of difficult tests through coordinated control of multiple devices (developing software and test fixtures as needed). ■ Overview Are you giving up on achieving the desired reliability evaluations, environmental tests, and reproducibility tests because conventional testing machines cannot set the desired test conditions or multiple test conditions for reproducing issues? By coordinating control of power supplies, electronic loads, constant temperature chambers, multimeters, bidirectional power supplies, and more, we conduct reliability evaluations, environmental tests, and reproducibility tests tailored to your needs! - We select the necessary equipment for coordinated control based on your requirements and develop a testing plan. - You only need to prepare the test samples. We will prepare other equipment and coordinated control. - We flexibly respond to various sensor integrations and fixture manufacturing as needed. ■ Key Points Even if the evaluation tests you want to conduct cannot be performed with existing testing equipment, it may be possible to realize them by coordinating control with physical wiring switching circuits and various sensors. Please feel free to consult with us.

Our company offers "reliability evaluation/environmental testing" services. We own over 100 testing machines and chambers, including thermal shock testers and gas corrosion testers. We can accommodate a wide variety of tests tailored to your needs, from standard-compliant tests to lifespan limit tests, as well as providing rental of testing chambers and conducting customized tests. Please feel free to contact us. 【Available Reliability Tests / Environmental Tests (partial list)】 ■ Thermal Shock Test (Gas Chamber / Liquid Chamber) ■ High Temperature and High Humidity Storage Test ■ Gas Corrosion Test ■ Accelerated Weather Resistance Test ■ Vibration Test ■ Salt Spray Test ■ Safety Tests (Crush Test, Heating Test, Charge/Discharge Test)