High-voltage stacked energy storage battery comes in 20kWh, 30kWh, 40kWh versions with 204V/100Ah, 307V/50Ah, 409V/50Ah specs. Adopting automotive-grade production, it features stackable modular design for flexible capacity expansion. Self-developed BMS provides full safety protection and real-time monitoring. Integrated high-voltage module simplifies installation. Suitable for home solar storage and commercial peak shaving & backup power, supporting RS485/CAN communication.