On Dec 31, 2008, at 8:46 A, Brian Lasseter wrote: > 15V, 50F Lessee now, 1/2 C V^2 = 0.5 * 50 * (15)^2 = 25 * 225 = 5,625 watt- hours = 5.6 kwh (Right?) How's that compare with a 12V battery? --Gil