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Voltasol Hybrid Energy Storage System 8kWh. Inverter Charger 5.5kW

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Grow your own energy at home, store and use the electricity when you need it the most with 8kWh GEL batteries. A maintenance-free system with 25 years life expectancy. Suitable for small houses and residential areas.

Customise your own kit by selecting how many panels and batteries from the drop-down menus.

£3,990.00 Incl VAT.
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Energy Storage Self Consumption

Grid-Tie Hybrid Energy Storage System 8kWh and Solar Panels

The basic and most economical photovoltaic system with energy storage starts with a single-phase inverter with an integrated MPPT battery controller that charges the lead-acid GEL batteries at 48V. We selected for you the new technology of solar panels with 120 half-cut cells and 20% efficiency. The energy yield is supported by 25 year warranty.

Power Generation Equipment Included in the pack:

  • Solar Panels ET-Solar 400Watt, half-cut cell PERC
  • 5.5kW Hybrid inverter with battery charger G98/99 compliant
  • Hoppecke 8kWh Energy Storage with 8, 200Ah GEL batteries mounted on a metallic rack
  • 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 - 8kWh

Picture: The Energy Storage enclosure uncovered. This the main 8kWh bank of GEL batteries with 200Ah per bloc. The total voltage is 48VDC. There is a fuse disconnector rated at 160A, that is securely mounted on top of the racks. 

PV Mounting Structure

A wide range of aluminum and stainless steel components and systems are available to facilitate the fastening of any solar photovoltaic module. 
You can choose between portrait or landscape configuration, ground mounts and roof mounts of all kinds.
View the PV Mounting Structures category.


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

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