Battery chargers with integrated coding systems are fitted inside the stationary charging stations that serve automated guided vehicles (AGVs) and electric forklifts in high-throughput warehouses and production lines. Each charger carries a unique digital signature that matches the battery pack it is paired with, ensuring that only the correct charger can initiate a charge cycle. This prevents mismatched voltage or current profiles that could damage batteries or create safety risks in plants where dozens of vehicles operate around the clock. In automotive assembly lines, the coded charger sits beneath the conveyor, linked to the plant’s energy management system. When an AGV docks, the charger reads the battery’s code, confirms compatibility, and starts the cycle without manual intervention. The same principle applies in steel mills, where electric transfer cars shuttle molten ladles between furnaces; the coded charger guarantees that each car receives the exact charge needed for its next run, eliminating downtime from incorrect settings. Adjacent to this, in pharmaceutical clean rooms, coded chargers prevent cross-contamination by ensuring that only designated AGVs—those approved for sterile zones—can access the charging bays, maintaining compliance with GMP protocols.