Battery Technician

• Key Responsibilities1. Cell Handling & Pack AssemblyAssemble Li-ion / Li-Po battery packs as per design and configuration
• Perform cell matching, sorting, and grouping based on voltage, IR, and capacity
• Execute spot welding or soldering of cell tabs with controlled parameters
• Ensure correct series-parallel configurations and polarity alignment
• 2. BMS & Electrical IntegrationIntegrate BMS (Battery Management Systems) where applicable
• Connect balance leads, power leads, and connectors accurately
• Verify wiring integrity, insulation, and strain relief
• Support basic troubleshooting of BMS-related issues
• 3. Testing & Quality ControlConduct initial and final testing: voltage, capacity, IR, charge-discharge cycles
• Use battery analysers, multimeters, chargers, and load testers
• Identify defective cells or packs and segregate as per SOP
• Maintain test logs and batch traceability
• 4. Safety & ComplianceFollow strict battery safety protocols, PPE usage, and fire-prevention norms
• Handle chemicals, electrolytes, and damaged cells safely
• Respond to battery incidents (swelling, overheating) as per emergency SOP
• Maintain compliance with factory and defence safety guidelines
• 5. Storage & Inventory ControlEnsure proper storage, SOC management, and labeling of cells and packs
• Monitor shelf life and environmental conditions (temperature, humidity)
• Coordinate with Stores for FIFO and traceability
• 6. Documentation & ReportingMaintain assembly checklists, test records, and rejection reports
• Report anomalies, failures, and safety risks immediately
• Support audits and inspections related to battery manufacturing
• Must-Have SkillsHands-on experience with Lithium-ion / Lithium-polymer batteries
• Basic understanding of battery chemistry, C-rating, IR, SOC
• Experience with spot welding or precision soldering
• Ability to read wiring diagrams and assembly instructions
• Strong safety awareness and attention to detail
• Bonus Skills (Differentiators)Experience with UAV / FPV / robotics battery packs
• Familiarity with BMS programming or diagnostics
• Exposure to high-current connectors (XT, AS, EC series)

Knowledge of thermal management and fire suppression basics