Electric Imp is powered by Kokam Lithium Polymer batteries.
current pack consists of 95, Kokam SLPB 80460330H cells wired in
series. These are the High Powered version of Kokam's
proven Lithium Polymer cells. The cells have a capacity of 100 amp-hrs
(rated at .5C).
SLPB 80460330H 100 amp/hrs
cell is approximately 17.9" long by 12.8" wide by .32"
thick . The tabs stick out about .75" and are 4 " wide.
cell weighs about 5.95 lbs. The entire pack weighs 565.25 lbs and
has a rated capacity of 35.15 kW-hrs.
voltage ranges from 399 volts (fully charged) to 266 volts (fully
discharged). Nominal voltage is 351.5 volts.
battery pack installed in ProEV's Electric Imp
cells can be continuously discharged at 500 amps and can safely
deliver bursts of up to 800 amps. Even at 500 amp currents, these
cells can deliver 86% of their rated capacity.
cells operating range is -20 to +60 degrees Celsius.
The cells charging range is 0 to 40 degrees Celsius.
SLPB 80460330H battery price ranges from around $1.80 US to $2.20
US per watt-hr., depending on quantity purchased.Therefore, the
price of a Kokam 100 amp-hr cell is around $666.00 US to $814.00
US, depending on quantity purchased.
to view Kokam's spec sheet for these cells <PL-302_SLPB80460330H_100Ah_Grade.pdf>
More information about the cells are at KokamAmerica.com.
let Kokam know that you heard about them through ProEV and the Electric
Imp. It won't get you a better price but will encourage Kokam to
continue supporting EV racing!