{HEAD ~ a battery indicator} connected to {TAIL ~ the circuit board} and consisting of multiple different colored LEDs connected to the microprocessor; and 
connected to
{ HEAD ~ a battery indicator } connected to { TAIL ~ the circuit board } and consisting of multiple different colored LEDs connected to the microprocessor ; and
HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH