The $8k array of capacitors compares in capacity to one 8Ah 12V AGM, or about thirty AA NiMH cells. Weight is 24kg for the capacitors, 3kg for the lead-acid, and 800g for NiMH.
Either choice leaves more than $7.9k or more in my pocket. It's enough to replace the batteries more than 200 times.
Either choice leaves more than $7.9k or more in my pocket. It's enough to replace the batteries more than 200 times.