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Project
ESSIS Powerbox5.1+INVT
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Address
Romania
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Date
2026
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Application
Dynamic Expansion & Energy Independence
Powerbox 5.1 Enhances Household Power Stability in Romania
Project Background
This project is located in Romania. Amid continuous local electricity price hikes and unstable power grid performance, an increasing number of households are focusing on energy autonomy and power supply security. To improve photovoltaic utilization and enhance household power supply reliability, the customer opted to deploy an energy storage system to build a flexible and reliable household energy solution.
System Configuration
The project adopts an integrated photovoltaic-energy storage grid hybrid system, enabling coordinated operation of photovoltaic power generation, energy storage and the power grid.
Energy storage batteries: 2*Powerbox5.1 (total capacity of 10.24KWh)
Inverter: INVT 6KW inverter
System type: Residential hybrid energy storage system
The Powerbox5.1 features a wall-mounted design for easy installation and space saving. With an IP66 protection rating, it boasts excellent environmental adaptability, suitable for both indoor and outdoor environments to ensure long-term stable system operation. In addition, the system supports parallel expansion of multiple units, providing sufficient conditions for future capacity upgrades.
The system has a compact overall structure and stable operation, meeting the mainstream application demands of the European residential market.

Customer Value
With this system installed, the household can maintain normal daily life even during temporary power outages caused by snowstorms. The Powerbox5.1 not only enhances power stability but also improves the self-consumption rate of photovoltaic power. For local residents, this is not only a green and clean energy solution but also a reliable partner, bringing peace of mind and comfort to their daily lives.