Our technical approach to EV chargers integrates dynamic DC load balancing across 8-gun configurations with 5ms response time. The 22kW commercial AC charger incorporates revenue-grade meters (0.5% accuracy) and dual SIM redundancy. Hardware validation includes 100,000 mechanical cycling tests on connectors and 72-hour burn-in at maximum power. Portuguese charging park deployments demonstrated tolerance to 15% voltage fluctuations without derating. The cloud platform's machine learning module reduces false alerts by 70% through pattern recognition.