▁( 5 0   k W ). ▁The ▁battery ▁will ▁have ▁a ▁real istic ▁range ▁of ▁ 2 5 0   km . ▁ ▁The ▁solar ▁cells ▁( 1 . 2 0 8 ▁W p ) ▁integrated ▁into ▁the ▁car ▁body ▁charge ▁the ▁battery ▁so ▁that , ▁in ▁good ▁sun sh ine , ▁up ▁to ▁ 3 0   km ▁of ▁additional ▁range ▁per ▁day ▁are ▁possible . ▁ ▁It ▁is ▁possible ▁to ▁use ▁the ▁current ▁of ▁the ▁battery ▁in ▁the ▁S ion ▁to ▁operate ▁elect rical ▁devices ▁or ▁to ▁charge ▁other ▁electric ▁cars . ▁ ▁The ▁work shop ▁manual ▁for ▁the ▁S ion ▁including ▁the ▁C AD ▁data ▁of ▁all ▁spare ▁parts ▁for ▁ 3 D ▁printer s ▁or ▁C NC ▁Mill ing ▁will ▁be ▁public , ▁so ▁that ▁reasonable ▁repair ▁costs ▁are ▁to ▁be ▁expected . ▁ ▁The ▁owner ▁of ▁the ▁vehicle ▁can ▁offer ▁other ▁people ▁a ▁power ▁supply ▁( power - sh aring ) ▁or ▁a ▁ride - in ▁( rides h aring ) ▁or ▁rent ▁his ▁car ▁( car ▁sharing ). ▁ ▁Sol ar World ▁GT ▁ ▁The ▁ 2 - se ater ▁" S olar World ▁GT " ▁was ▁built ▁ 2 0 1 1 ▁by ▁" H och schule ▁Bo ch um " ▁with ▁ 2 ▁wheel ▁hub ▁electric ▁engines ▁in ▁the ▁front ▁whe els . ▁After ▁the ▁participation ▁at ▁the ▁ 2 0 1 1 ▁World ▁Sol ar ▁Challenge , ▁the ▁car ▁and ▁his ▁team ▁did ▁the ▁first ▁full ▁aut ark y ▁world ▁circ umn avigation