And in practice, you'll have modules of sections of the battery for repairing which drops the efficiency to below 90%.
[1] https://en.wikipedia.org/wiki/Circle_packing#Densest_packing
And in practice, you'll have modules of sections of the battery for repairing which drops the efficiency to below 90%.
[1] https://en.wikipedia.org/wiki/Circle_packing#Densest_packing