Production Associate

Jobitus; Chakan; On-site; INR 600,000 - 1,200,000; Full time

Job summary

Jobitus seeks a Battery Test Engineer to validate lithium-ion battery packs for EV and renewable energy applications. You will contribute to test plans, perform life-cycle, temperature, short circuit and safety tests, and analyze results to ensure compliance with IS/IEC standards.

The role involves coordinating with cell suppliers and third-party labs for certification. Experience with test equipment, data logging, and battery pack architecture is preferred.

Job description

Testing Validation of Lithium-Ion Battery Packs

Energy Storage for Electric Vehicles and Renewable energy.

• Preparation detail test plan for cells and battery packs.

• Life cycle test (Capacity test), Temperature mapping, penetration test, short circuit test, HRD test, breakdown test, cell balancing, BMS parameter verification, self-discharge test, data sheet verification.

• Analysis of above mentioned tests.

• Preparation of samples for third party test certification (AIS 48 / 156 ARAI, UL, BIS).

• Test and validate cells.

• Coordinate with different type of cells supplier

• Knowledge of national and international standard applicable for cells and battery pack (IEC 62133, IS 16046, UL1642, AIS048, AIS135).

• Coordinate with a third party test lab for testing and know the procedure of BIS certification.

• Knowhow of Call and battery test equipments and suppliers.

• Test laboratory Set up for testing of cells , battery module and battery pack.

• Test equipment - Cell formation unit, Automatic battery pack tester, Resistance bank, power supply, CAN- data logger, Impedance tester, Chargers, Thermal Imager, High pot tester, Environmental test chamber.

• In-house test set up for abuse testing of cells (Penetration and short circuit test), connector life cycle test.

• Lithium ion chemistry and performance analysis

• Construction of cells and material use for making cells.

• Analysis of cells thermal characteristics and degradation of cells.

• Selection of cells and cells chemistry as per application.

• Cylindrical, prismatic and pouch cells.

• Endurance testing of ev li-ions batteries, ev components and conventional components (starter motors, fuel pump, starter relays, radiator fans, fuel level sensor etc.)

• Capacity measurement and validation through tester, load bank and dyno.

• Battery state of health (soh) graph analysis and preparation.

• Automation and setup preparation for various tests.

• Batteries test data logging and analysis on bus master data system.

• Test standard, test reports, standard operating procedure development and issue documentation process.

• Component level benchmarking and data generation.

• Operating voltage window, Voltage cut off at cell level, passive balancing technology, SOC determination algorithm, charging profile CC-CV.

• Knowhow battery pack architecture and internal components, Cooling technologies.