Battery Pack End-of-Line Testing
The final quality gate before a pack ships. Automated EOL test benches that verify electrical safety, performance and BMS behaviour — in minutes, with full traceability.
Every Pack Must Pass the Gate — Fast
End-of-line testing is the last chance to catch defects before a battery pack reaches a vehicle or grid. It must be comprehensive enough to guarantee safety, yet fast enough to meet production takt time. VoltTest builds EOL benches that run the complete verification sequence automatically.
- ✓ Insulation resistance and AC/DC hi-pot testing per GB 38031 / IEC 62660
- ✓ OCV and cell-group DCIR measurement with balancing check
- ✓ BMS wake-up, CAN communication and SOC algorithm validation
- ✓ Short charge/discharge EOL cycle with temperature monitoring
- ✓ Pass/fail gating with barcode-linked records in your MES
Typical EOL Test Sequence
Insulation & Hi-Pot
Verify electrical isolation of the pack against chassis per safety standards.
OCV / DCIR
Measure open-circuit voltage and resistance of every cell group; check balance.
BMS & Comms
Wake the BMS, validate CAN communication, SOC estimation and fault detection.
EOL Cycle
Short charge/discharge cycle with temperature checks, then pass/fail release.
Recommended Equipment Set
Module & Pack Benches
VT-MP series with high-power cycling, BMS CAN/LIN and thermal interface options.
View systems →Electrical Safety Testers
VT-ESA combo stations for insulation, hi-pot and ground continuity steps.
View testers →Cell IR Testers
VT-IR instruments for incoming cell matching and pack-level DCIR checks.
View testers →What Our Customers Achieve at EOL
Designing an EOL Test Station?
Get a quotation for an integrated pack EOL bench — engineered around your takt time, standards and MES requirements.