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  • High-quality set: 5 kW hybrid inverter for photovoltaic systems.
  • 2 MPPT trackers maximise the output of your PV modules
  • Ecco emergency power function on 1 phase for battery storage
  • IP 65 protection class protects the inverter against dust and water jets
  • WiFi app for monitoring and controlling your system
3.999,99 €

incl. 0% VAT , plus shipping costs

Manufacturers recommended retail price: 4.759,99 €
Available immediately

Delivery time: 2 - 5 Workdays


Note on the Value Added Tax Act

By sending the order, the ordering person declares that the conditions according to the Value Added Tax Act §12 para. 3 are fulfilled. According to this assumption, the stated final price includes 0% VAT.

For buyers who do not fulfil the conditions according to the Value Added Tax Act §12 Para. 3, the stated price includes 19% VAT.

POWERSET21 Domestic power plant with emergency power function (1 phase) and battery storage to consume the electricity generated by the sun during the day at night

With this set, you can generate your own electricity and use the excess energy to charge the battery or switch on consumers (heating element). In the evening, the self-generated electricity from the battery is available. In this way, you can save a large part of your electricity costs. The components are optimally coordinated and can be connected via Plug & Play.

If you have any questions or need advice, you can reach our expert customer service team from Monday to Friday, 13:45 to 15:45, on 09502 66793 70. We are happy to help.

Scope of delivery

  • 1 x 5 kW hybrid inverter HKW5000P1 - Ecco emergency power 1 phase - with or without grid feed-in
  • 1 x KKTNVB5.1 Battery storage 5.12 kW net usable 4.6 kW
  • 1 x KKTWS01 Wifi Adapter

The product meets the requirements of VDE-AR-N 4105, among others.

Further components such as photovoltaic modules and mounting sets can be purchased separately.

5 kW Hybrid Inverter HKW5000P1

This highly efficient hybrid inverter is suitable for private and commercial photovoltaic systems with an output of up to 6.5 kWp and a low-voltage battery storage system.

The overvoltage protection for the solar panels and the mains disconnector are integrated in this unit.

The power feed into the grid can be set variably between 0% and 100%. Operation without mains feed is possible.

The power data can be conveniently read on the unit or on the app.

In combination with the KKTNVB5.1 battery storage included in this set, the energy generated during the day is stored and can then be consumed at night.

The 1-Phase Ecco emergency power function: In the event of a power failure, the hybrid inverter switches off the grid and switches to island mode. Within approx. 6 seconds after the power interruption, one phase in the domestic grid is supplied with power again. All relevant emergency power consumers, such as heating and light, should be connected to this phase. In island operation, only one phase is supplied with power until the batteries are empty.

Useful additional device: The separately available SDM630MCT 3-phase current measuring device. Since the HKW5000P1 can only feed in and measure current on one phase without an extension, the energy that exceeds the consumption of phase 1 is first charged into the battery and then fed into the public grid. With the SDM630MCT extension, the HKW5000P1 feeds exactly as much power into the grid via one phase as phases 1, 2 and 3 consume, even if the battery is not yet fully charged. In this way, in the optimum case, only a power consumption of 0W is measured at the main power meter, as the power consumption of all phases is offset (netted) against each other at the main power meter. Please note that the emergency power function with this extension is still only possible on one Phase.

Comfort Emergency power on 1 phase is only available when the system is connected to the house fuse box. One phase from the mains goes to the house power station and from the house power station to the fuse box.

The hybrid inverter is black-start capable. If the batteries are empty, the inverter switches off and restarts without mains power as soon as the PV modules have recharged the batteries. As a rule, the system generates enough power even in winter to keep the heating and lights working all the time.

Technical data

Input power

  • Maximum input power (DC): 6500W
  • Maximum input voltage (DC): 580V
  • Maximum input current: 13A
  • Nominal voltage: 400V
  • Number of MPP trackers: 2
  • Strings per MPP tracker: 1

Output power

  • Peak efficiency: 97.6%
  • Maximum efficiency at battery discharge: 95%
  • Maximum output power: 5000W
  • Nominal output voltage: 230V
  • Nominal output current at 230V: 22A
  • Output frequency:50Hz/60Hz

Safety & Security

  • Overvoltage protection: Yes
  • Magnetic insulation: Yes
  • Ground monitoring: Yes
  • Mains protection: Yes
  • Feed-in monitoring: Yes
  • Feedback current monitoring: Yes
  • fault current detection: Yes
  • Islanding protection: Yes
  • Overload protection: Yes
  • Overheating protection: Yes


  • Operating temperature -25°C to +60°C
  • Length: 24 cm
  • Width: 54 cm
  • Height: 59 cm
  • Weight: 39 kg
  • Protection class: IP 65
  • Product warranty: 5 years

KKTNVB5.1 Battery storage

The system can be upgraded to up to 4 battery storage units. In the best case, all batteries are commissioned at the same time, otherwise the ageing effects will have a negative impact on the performance of the newer batteries. Please take this into account when calculating your electricity consumption.


  • Battery type: LFP (LiFePO4)
  • Length: 24 cm
  • Width: 54 cm
  • Height: 53 cm
  • Weight: 54 Kg
  • Product warranty: 5 years
  • Performance warranty: 10 years

Technical data

  • Total capacity: 5.12 kWh
  • Usable capacity: 4.6 kWh
  • Discharge efficiency (DoD): 90%
  • Nominal voltage: 51.2V
  • DC fuse: 125A
  • Working voltage: 44.8-56.5V
  • Shielding: <20mO
  • Life cycles: 10,000 cycles
  • Max. Charge/discharge current: 50A/80A
  • DC rated power: 4096W
  • Max. Charge/discharge power: 2825W/4096W
  • Working temperature charging: 0-50°C
  • Working temperature discharge: -10-50°C
  • Working humidity: 0-95% Non-condensing
  • Max. Number of batteries: 4
  • Capacity: 100-400Ah
  • Power consumption: <2W
  • Interfaces: CAN & RS485
  • monitored parameters: System current/voltage, battery voltage, battery temperature, PCBA temperature measurement.
  • Safety certificates: Pack: IEC/EN 62619;UN38.3; Cell: IEC/EN 62619;UN38.3;UL1973

Safety note: This system may only be connected by a certified electrician.

The delivery is made by a forwarding agent free kerbside (the appliance is not carried into the home). The forwarding agent will contact you by e-mail to arrange a delivery date.




Power: Greater than 2000 W
Inverter technology: Hybrid
System configuration: Hybrid


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This item consists of
HKW5000P1 Hybrid Inverter 5KW 1 Phase

1 x HKW5000P1 Hybrid Inverter 5KW 1 Phase

1.499,99 € *
Available immediately
KKTNVB5.1 5.12 kWh Battery Storage

1 x KKTNVB5.1 5.12 kWh Battery Storage

2.599,99 € *
Available immediately