Member Since: January 11, 2011

Country: United States

  • "The stored energy of a supercapacitor decreases from 100 to 50 percent in 30 to 40 days. A nickel-based battery self-discharges 10 to 15 percent per month. Li-ion discharges only five percent per month."

    Battery University is a pretty stellar resource in general.

  • I third the wish that the pack included M/F.