DISCOVER THE FUTURE OF STORAGE

Sodium ion battery

No lithium, no cobalt.
Efficiency and sustainability for photovoltaic systems. Even with a three-phase inverter.

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Artificial intelligence

Heiwit AI Care

The Smart Energy Manager that controls your home's energy: more self-consumption, protected batteries, energy sold when it's most valuable.

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The benefits of evolving energy

Safety, efficiency, durability and sustainability in a technology designed for next-generation photovoltaic storage.

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Security Efficiency Duration Sustainability

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The benefits of evolving energy

Security

Batteries with high
thermal stability.

Efficiency

Fast charging and continuous availability, when you need it most.

Duration

Extended life cycles
with DoD 100%.

Sustainability

Clean energy, 100% recyclable, for a greener future.

Technology

Heiwit innovation

Sodium ion batteries employ an advanced electrochemical process to store and release energy, ensuring a constant and reliable energy supply. These batteries are designed to offer unchanged efficiency even in environments with high temperature fluctuations.

Artificial intelligence

Heiwit AI Care

The Smart Energy Manager that controls your home's energy: more self-consumption, protected batteries, energy sold when its value is highest.

The ideal choice for applications that demand maximum reliability and safety

01

Fire Safety:

Unlike conventional lithium-ion batteries, our sodium-ion technology is inherently safe. Heiwit batteries are designed to be fire and overheating resistant, giving you complete protection and worry-free energy management.

02

Recyclability:

At the end of their life cycle, batteries can be completely disposed of. Thus we contribute to a circular economy and reduce our environmental impact.
03

Superior Performance:

Sodium-ion batteries offer better performance than lithium-ion batteries and also have a higher energy storage capacity.

04

Absence of Toxic Metals:

We do not use heavy metals such as lithium or cobalt to make our batteries a more environmentally friendly and less toxic solution. 

05

Extended Duration:

We have designed them to last a long time. Our batteries have an excellent cycle life, guaranteeing you a sustained investment over time.

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Applications of 10 kWh Sodium Ion Batteries

Our numbers

Choosing Heiwit is a decision based on data that proves our competitive advantage and reliability.

6500+ Average lifespans

10 kWh storage capacity

10 ms UPS response time

5000W Power Maximum

95% Energy efficiency rating

10 years ITALIAN warranty on battery and inverter

Remote production monitoring

Mobile application

Thanks to our super-efficient 6 kW hybrid inverter, production and battery charge data can be consulted in real time.

Optimising consumption

You can decide whether to prioritise self-consumption or battery energy storage according to your needs

Testimonies and installations

What they say about Sodium ion batteries

Two new installations of Heiwit storage systems carried out by BMAX Service of Beatrice Piepoli

Our Installations Gallery is enriched with two new Heiwit storage systems manufactured in Puglia by our installer.

New installation in the province of Bologna

The project Among the installations carried out with Heiwit solutions, we present a project completed at a new home in the province of Bologna by our Premium Partner S.O.S. Luce by Candini Renato. In this project, a...

Fully electric house in Carcare: photovoltaic, Heiwit storage and heat pump for greater energy independence

To eliminate gas and make your home entirely electric: that is the objective of the project carried out in Carcare (SV) by our premium partner Ferrari Security Innovation & Service. To meet the client's needs, it was...

Revamping of photovoltaic system in Palermo: I.M.E.R.T. S.N.C. installs a Heiwit system with 20 kWh of storage

In Palermo, within a semi-detached villa, I.M.E.R.T. S.N.C. has recently completed an intervention to replace and upgrade an existing photovoltaic system, choosing a Heiwit solution to improve the system's performance and...

Heiwit system installed by Eliotech in Roccaforzata (TA)

New installation completed in Roccaforzata, in the province of Taranto, where Eliotech has installed a photovoltaic system integrated with a 10 kWh Heiwit sodium-ion storage system. The project includes: 18 x 450 Wp photovoltaic modules on 2...

The Heiwit plant in Almè: a home increasingly oriented towards the electrification of consumption

Heiwit storage solutions continue to be at the forefront of residential projects focused on energy efficiency and the progressive electrification of homes. This is the case with the installation carried out in Almè, in the province of Bergamo, by Arizzi...

Heiwit residential installations: Gruppo Green Italia's experience

Heiwit's storage solutions continue to find application in increasingly diverse residential contexts, thanks to their ability to combine safety, ease of installation, and reliable performance. In recent months, Upsell's Green Italia Group...

Heiwit Installation at the Natural Power Showroom in Cagliari

Heiwit storage solutions continue to spread, even in demonstration contexts, designed to showcase technologies dedicated to energy independence up close. One example is the installation carried out by Natural Power Soc. Coop. at its own headquarters...

New Heiwit installations in Tuscany: efficiency, simplicity, and satisfied customers

When reliable technology and qualified installers meet, the result can only be positive. In recent months, Ricarica Energy To Move, a company specialising in energy efficiency, photovoltaic systems, and solutions for electric mobility, has...

The sodium chosen by those who install energy every day

CF ELETTRIKA, active in the photovoltaic sector since 2010, discovered HEIWIT through Instagram. The sodium-ion technology immediately sparked interest, leading to further investigation through a training course and direct discussion with the manager...

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Learn more about the potential of our sodium ion batteries and discover how they can revolutionise your approach to energy.

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Our Guides

Heiwit in Brussels, at the table on the future of the European battery

Heiwit in Brussels, at the table on the future of the European battery

On 11 June 2026, our founder and CEO Alessandro Gallani took part in the European Economic and Social Committee's debate on the future of the European battery industry. It was a day that discussed competitiveness, energy, and people – and the role that ’made in Europe“ sodium can play in the continent's industrial sovereignty.

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The energy that fuels tomorrow

The sustainable future is the reality we are building, one ray of sunshine at a time.

The Heiwit Galaxy

Token - Social Energy cloud

A new way to become an energy producer without directly owning a photovoltaic system.

Blockchain

A new way to become an energy producer without directly owning a photovoltaic system.

HEIWIToons - Super Heroes

HEIWIT is at the forefront of research and innovation, and our salt batteries are proof of this. First in Europe!

Photovoltaic systems

We install photovoltaic systems on the roofs of energy-intensive companies and maintain them for 30 years, we take care of everything

Any questions?Contact us!

We are here to help you with any questions or doubts you may have.
Please do not hesitate to contact us at any time.

Are you looking for information on prices or do you want to buy a battery?

Heiwit does not sell directly to private individuals. Our sodium-ion batteries are installed exclusively by a network of authorised installers who will guide you from consultation through to installation.

Are you an installer, designer, or do you work in the energy efficiency sector?