Rajesh Mangraj
EV Service Engineer | Li-ion Battery Systems | 3W & 4W Battery Packs
Talent
IndoreMember since June 28, 2026
Lithium-ion battery systemsMultimeterInsulation meterBms SystemMicrosoft OfficeTeam LeadershipEV battery diagnostics & testingBattery management system (BMS) basicsCell BalancerBattery charging & discharging analysisTorque WrenchMS Office Excel
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Lithium-ion battery systemsMultimeterInsulation meterBms SystemMicrosoft Office
About
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.
Experience
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
Education
Matriculation - Jhargram Netaji Adarsha High School (2016)
Intermediate - Jhargram Netaji Adarsha High School (2018)
Diploma - Polytechnic - Garhwa, JUT
Skills
EV Service EngineerLi-ion Battery Systems3W & 4W Battery Packs
