Chinese inverter and battery manufacturer Growatt has announced a new AC-coupled energy storage system for household balconies.
The system, called Aura 5000, features a 5 kWh battery capacity, bidirectional inverter functionality and AC power up to 2,500 W.
“Aura 5000 offers broad inverter compatibility, allowing seamless integration with existing PV systems without rewiring,” the company said in a statement. “For systems using conventional inverters, Aura 5000 supports smart energy management through flexible AC coupling, significantly reducing the complexity of retrofits and accelerating solar adoption.”
The system uses a lithium iron phosphate battery (LiFePO₄) with a lifespan of more than 6,000 cycles. It features an IP66 rated housing, is cold start capable down to -30 C and operates below 30 dB. An emergency power supply (EPS) with a response time of less than 20 ms ensures uninterrupted power supply to critical loads during mains outages.
“At the heart of Aura 5000 is AI-powered smart energy management, enabling real-time response to electricity price fluctuations to support households operating under dynamic electricity tariff policies,” Growatt added. “Through intelligent charge-discharge scheduling, the system automatically stores energy during off-peak hours or periods of negative prices, and releases power when rates are high.”
The balcony energy storage system measures 45 cm x 19.8 cm x 52.85 cm and weighs approximately 50 kg. It has a charge and discharge temperature range of -20 C to 60 C and uses the company’s RF smart meter solutions. It has a 10-year warranty.
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