{TAIL ~ a stack connector}, wherein the stack connector includes an internal series connection, and {HEAD ~ the plurality} of solar batteries are electrically connected vertically in a stacked arrangement; and 
{ TAIL ~ a stack connector } , wherein the stack connector includes an internal series connection , and { HEAD ~ the plurality } of solar batteries are electrically connected vertically in a stacked arrangement ; and
TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH