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Break the 800W limit, maximize energy efficiency

For the 800W grid feed-in limitation, we use legal power draw via the AC outlet of the device. We have developed a tailor-made solution that ensures compliant energy consumption and effectively exceeds the power limit.

Explore new ways to boost your self-consumption

Even with higher capacity, the 800W grid feed-in limit makes it difficult to fully utilize daytime PV energy. We recommend bypassing this limitation via a decentralized network and making optimal use of stored energy.

Intelligent control strategy

Connect your household appliances to the storage’s AC outlet and experience seamless security during power outages: the system automatically switches to battery operation in just 10 ms to keep your devices running. At the same time it intelligently determines the optimal charging and discharging strategy, maximizes solar energy use and optimizes your energy costs.

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Place flexibly, maximize room usage at home

The solar inputs support flexible expansions, with a power of 1.2 kW, which can be maximized to 3.6 kW. Don’t worry if balcony space is limited—the BK1600 Ultra uses a near-mount concept where the solar modules are placed directly next to the device. This eliminates elaborate cable laying and makes it easy to set up a solar storage system even in small spaces.

Flexible konfiguration

A flexible solution, tailored to the number of devices purchased, recommends the optimal setting to minimize household energy consumption to the maximum.

With the BK1600 Ultra you enjoy a stable power supply for your household devices via island or grid connection – for reliable everyday energy supply.

Indevolt Europe

99% compatibility

Unlike traditional DC-coupled solutions, the BK1600 Ultra delivers seamless compatibility with all microinverters on the market thanks to its AC-coupled technology. Simply connect the BK1600 Ultra to your existing microinverter and solar panels to maximize balcony solar power and lower your electricity costs. Unlock the full potential of balcony solar with integrated storage!

Indevolt Europe

Communication

Local network connection: The BK1600 solar power storage transmits data via Wi-Fi or 4G to the cloud and enables local control via Bluetooth, all without cloud dependence. APIs support integration into third-party smart home systems.

Save energy costs more efficiently with AI

Indevolt Smart AI develops customized energy management solutions based on precise Big Data analysis. By combining historical power consumption data and weather factors, our technology predicts your hourly usage and expected solar energy production based on weather and your PV system’s performance. By integrating dynamic prices and current battery status, you can monitor the cost per kWh in real time. This automatically optimizes charging and discharging strategies to minimize your energy costs and maximize your savings.

Which option is right for you?

BK1600

BK1600

  • The best entry option for balcony solar power station with storage
  • Combine PV, storage, and expansion in one step — ideal for beginners without balcony systems
  • Supports capacity expansion through wireless parallel operation
BK1600 Ultra

BK1600 Ultra

  • Full feature set of BK1600
  • Enables integration with micro inverters to upgrade existing PV systems with storage
  • Seamless capacity expansion through BK1600 parallel operation

Package content

Specifications

  • Dimensions300x215x250 mm
  • Weight16 kg
  • Nominal Capacity1636 Wh (expandable to 4908 Wh)
  • Operating Temperature-20°C to 45°C
  • Battery TypeLiFePO₄
  • Lifespan15 years
  • Protection ClassIP54 
  • Warranty10 years
  • Connection TypesBluetooth, 2.4GHz Wi-Fi, 4G
  • AC outlet (parallel)2300W
  • AC charging power1200W
  • AC output power1200W
  • Noise level< 30dB
  • Grid-tie AC Connection800W
  • Cycles6000
  • Operating Voltage10 ~ 60V DC
  • MPPT Input1200W (2 MPPT, each 600W)
  • CertificationsSafety EMC/Standards: IEC62619, UN38.3, IEC/EN 62109-1, IEC/EN 62109-2, IEC/EN 61000-6-1, IEC/EN 61000-6-2 Grid Code: VDE4105 Grid Input

Downloads

  • BK1600 Ultra User manualUser manual 2025-06-10

FAQ

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