Rajesh Mangraj

Service Engineer with 1.4 years in EV lithium-ion battery after-sales, diagnostics, and repair for 3W & 4W platforms at Tata Gotion. Skilled in EOL testing, cell balancing, BMS troubleshooting, and diagnostic tools including P-CAN and CAN tool.

Service Engineer - TATA Autocomp Systems Ltd. - Pune

(2025-03)

Service Department I

• Executed EOL testing, servicing, and repair of 4W & 3W battery packs including Kanger1 (28.8kW), Kanger2 (39.9kW), Limber (25.9kW), and Bajaj (8.9kW)
• Performed cell balancing, battery health checks, charge/discharge analysis, and BMS-level troubleshooting to resolve voltage imbalance and abnormalities
• Led repair documentation, maintenance reporting, and team coordination as Team Leader on the service floor

Matriculation - Jhargram Netaji Adarsha High School (2016)

Intermediate - Jhargram Netaji Adarsha High School (2018)

Diploma - Polytechnic - Garhwa, JUT