by Technical Department Heiwit | 6 April 2028 | General Articles
A 1L drink at 3 euros or a 0.5L one at 2 euros? The answer seems obvious. And yet, it’s precisely the mistake many people make when commenting on the price of a battery. They only look at the initial price, without asking themselves how much energy that battery...
by Technical Department Heiwit | 21 March 2026 | Insights, Sodium ion batteries
How much raw material is really needed for sodium-ion batteries? The scientific calculation, explained simply Spoiler: no, the sea wouldn't be desalinated if all the batteries the world needs were sodium-ion. Let's see why. When talking about batteries...
by Technical Department Heiwit | 7 March 2026 | General Articles
Over the last 2 days, the monitored HEIWIT plants have collectively produced over 1 MWh of clean energy. Expressed in a more immediate form, this means over 1,000 kWh generated from real plants in a very short period. From a technical standpoint,...
by Technical Department Heiwit | 7 March 2026 | General Articles
One of the most frequent questions when discussing energy storage is always the same: how long does a battery really last? In the case of HEIWIT sodium-ion batteries, today we can answer not only with laboratory data, but also with a basis of...
by Technical Department Heiwit | Feb 17, 2026 | Sodium ion batteries, Photovoltaic systems
Batteries for photovoltaic systems: are they really worth it? (simple calculation in 2 minutes) “They cost twice as much... the normal ones are already not cheap, let alone these.” This is a comment one often reads. And it is understandable: a battery is a major expense, and if you look...
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