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