Batteries have been used for a long time and are used in various applications such as toys, watches, flashlights, laptops, and mobile phones. Apart from these uses, technological advances are increasing the use of batteries that power electric vehicles, such as converting renewable energy into electrical energy. In addition, EV testing requires the battery pack and cell to be discharged or charged based on the vehicle's driving cycle profile. Governments around the world have released several driving profiles used to check EV and battery performance, and these characteristics are driving the demand for battery testers around the world. The test equipment checks for internal components and structures such as: B. Performance test, electric vehicle charger, battery test. In addition, increasing demand for fuel-free vehicles is fueling demand in the electric vehicle and battery tester markets. A variety of technologies are currently being developed, each of which is characterized by ensuring battery safety concerns.