Voltasol Hybrid Energy Storage System 6.4kWh. Super S4 Inverter 4kW

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Voltasol Hybrid Energy Storage System 6.4kWh. Super S4 Inverter 4kW

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A complete photovoltaic system that allows you to generate and store electricity at home. 4kW Inverter with a compact maintenance free Sun Powerpack Energy Storage.


VoltaSol Hybrid Energy Storage System 6.4KWH


Energy cycle over the course of one day 

In the diagram above you can see how your solar energy setup works over the course of one day. During the night when there is no sun to generate energy and the stored energy from the previous day is consumed, your house will get its' energy from the grid.

Early into the morning the sun rises and the need for Grid energy decreases (as your appliances will be powered partly by solar energy). Depending on your setup, you could find that no more Grid energy is required by 7 AM (as the solar energy generated is enough to account for all the consumption). Soon enough the energy you generate will surpass the consumption of the household and your excess energy will start getting stored into the batteries.

When your energy storage system is fully charged, there are 2 things that could happen to the energy that attempts to enter through your solar panels, depending on what you prefer. If you sign up for "feed in tariff", the excess energy is fed back into the grid; if not, the system simply stops receiving energy until part of the energy from the batteries is used. (Regarding "feed in tariff": You don't need approval from the local power company, it is completely legal)

During the night when no more solar energy is generated, your household will use the energy from the batteries. When all that energy is depleted, you will start using Grid energy again, and the cycle repeats.

A simplified Diagram

PV Energy Storage - Self Consumption



Power Genration Equipment Included in the pack:

  • Solar Panels Eging high efficiency 17.5%,  2500Wp
  • Hoppecke 6.4kWh Energy Storage with VR-M 150Ah batteries in metallic enclosure
  • DC Fuses and AC Disconnectors
  • Modem. More information about the Web Box available here

It is worth knowing that the system is expandable, more panels and batteries are installed in parallel with the existing equipment. 


Dimensions of Sun Powerpack - 6.4kWh

Lenght : 85.7cm. Width: 35.5cm  Height: 72.4cm. Total Weight: 253kg

Hoppecke sun powerpack classic 8.0kwh 48V

Picture: The Energy Storage enclosure uncovered. This the main 8kWh bank of GEL batteries with 150Ah per bloc. The total voltage is 48VDC. There is a fuse disconnector rated at 160A, that is securely mounted on top of the racks. 

Customer Reviews

Intelligent Inverter Review by Hasan
No problems, good inverter.

The batteries are installed in a very well made metallic enclosure. It is looks quite nice in my garage ! (Posted on 1/18/2018)
Full Kit, Easy Installation Review by Nick
Great product I can not find any fault at the moment (Posted on 1/17/2018)
Installation to Greek Public Network Review by Dimitris
It works in parallel with the national grid in Greece, very stable performance so far, it works as it is described in the energy storage diagram

I used it in off grid mode as well when we had a power cut for 2 hours.
(Posted on 1/17/2018)
Real Savings Every Day Review by Stephen J.
Impressed with the quality of the batteries, AGM maintenance free.
Top quality blocs made by Hoppecke in Germany, it is worth investing is reliable batteries (Posted on 1/17/2018)

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