China-based Sineng Electric jhas received CEI 0-21 certification from DEKRA for its residential all-in-one solution, confirming compliance with Italy's low-voltage grid connection standards at Intersolar Europe 2025. The system combines a 5–15kW three-phase hybrid inverter with modular battery packs using 335Ah automotive-grade blade cells, offering up to 102.4kWh storage. It features IP65 protection, 10ms off-grid switching, and multiple safety tests, supporting reliable operation in varied environments and enabling Sinengs expansion in the European residential energy market.