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  1. H

    Ultra capacitor + LiFePo4 batteries

    As dmwahl points out, the Ultra capacitors may lose their charge in approx. a week so I thought it would be necessary to have approx. 10 Ah LiFePO4 batteries as a kind of backup for the Ultra capacitors. But the original question is still unanswered: Has anyone tried this combination by...
  2. H

    Ultra capacitor + LiFePo4 batteries

    Reykjavik 10th September 2014. Has anyone tried the combination of 5 x 3,2V (16Volts) Headway 38120S LiFePo4 batteries(10 Ah) + 6 pieces Maxwell Ultra Capacitors -D-Cell size, 350 Farads, 2,7 Volts, a total 16,2 Volts? I.e. without any charge controllers (BMS) - just direct replacement of a...
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