▁is ▁similar ▁in ▁intent ▁to ▁the ▁common ▁external ▁power ▁supply ▁for ▁mobile ▁ph ones ▁within ▁Europe , ▁by ▁standard ising ▁on ▁USB - A ▁and ▁micro ▁us b ▁c ables ▁and ▁the ▁use ▁of ▁the ▁Type ▁ 2 ▁conne ctor ▁for ▁electric ▁cars . ▁ ▁B atter y ▁pack s ▁can ▁replaced ▁or ▁upgrad ed ▁while ▁keeping ▁the ▁existing ▁battery ▁char ger . ▁ ▁The ▁Energy Bus ▁data ▁communication ▁protocol ▁is ▁designed ▁to ▁ensure ▁safety . ▁ ▁Ve h icle ▁design ers ▁and ▁electric ▁systems ▁architect s ▁can ▁add ▁additional ▁components ▁or ▁sens ors ▁to ▁the ▁bus ▁without ▁having ▁to ▁significantly ▁alter ▁the ▁existing ▁design . ▁ ▁For ▁system ▁integr ators ▁and ▁manufact ur ers ▁can ▁use ▁commercial ▁off - the - sh elf ▁designs ▁with ▁reduced ▁complex iti y , ▁and ▁after ▁release ▁it ▁can ▁be ▁upgrad ed ▁to ▁support ▁new ▁battery ▁chem istry ▁or ▁parallel ▁batter ies , ▁without ▁significant ▁changes ▁to ▁software . ▁ ▁App lications ▁ ▁Com ponents ▁, ▁a ▁range ▁of ▁electric ▁bi ke ▁components ▁were ▁available , ▁including ▁electric ▁mot ors ▁by ▁Ac ron , ▁ 3 0 0 ▁w att ▁power ▁conversion ▁adapt ors ▁by ▁Pan ason ic ▁Indust ries ▁and ▁with ▁Elect rag il ▁Software , ▁bi ke ▁lights ▁by ▁Phill ips , ▁and ▁several ▁designs ▁batter ies ▁by ▁High T ech ▁Energy , ▁plus ▁human ▁interfaces ▁by ▁Mar qu ard t . ▁A ▁specific ▁in verter ▁was ▁available ▁from ▁K aco ▁for ▁island ing . ▁ ▁Elect rag il , ▁a ▁Swiss ▁company ▁located