"David Roden (Akron OH USA)" wrote: > > BUT, flooded golf car batteries beat all of the above hands down for economy > of operation. Look at this: > > US Battery 2200 (from US Battery's web pages) > Price ~$50 each in small quantity > Mass 28.6kg > Capacity 115min @ 75a => 144ah @ 75a => 864 wh > Specific energy = 30 Wh/kg > Cycle life 550 @ 80% DOD > > 144ah * 6v * 550 cycles = 1815 kWh * 0.8 (DOD) = 1452 kWh total > $50 / 1452kWh = $0.03 / kWh
My worst nightmare - ACRX stuffed with 336V worth of US2200... =:O > So, here's the conclusion: > > Battery (Cost per kWh delivered over battery lifetime) > > USBMC Golf car lead ($0.03) > Saft NiCd ($0.24) > TS LiIon ($0.39) > Evercell NiZn ($0.61) > Optima YT lead ($0.58 - $1.31) > > Of course there are other issues to consider besides cost per kWh, but > anybody who isn't wealthy has to look at this. And weight handling by the suspension. Victor
