Battery Technology  Carbon Foam  http://www.fireflyenergy.com/

                                                               http://www.pwtcbattery.com/

                                                               http://www.axionpower.com/

                                      Lithium Ion    http://www.thunder-sky.com/

                                                             http://www.valence.com/

                                                              http://www.a123systems.com/

                                         Nickel Metal Hydride                ISE Corp

                                         Nickel Zinc                      http://www.powergenix.com/index.php

                                         Ultra Battery           Aus Lead acid Super cap hybrid link