@gruznov@seikatsu That is about 0.13€/kWh for storage cost over 10 years, given full cycle every day (which is not very realistic). Better to have some of those batteries on wheels instead.
Lesya Ukrainka stayed in Tartu, Estonia for ten days in the second half of February 1900 to visit her brother Mykhailo Kosach. At the time, he was working as a lecturer in physics at University of Tartu.
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@mikebutcher This assumes 12500km/yr and no plans to replace the car. So 4yr=50000km. Focus on distance, not time. Cars that drive more should be replaced first. If you are planning to replace the car anyway, it is <25000km according to this summary.