{HEAD ~ Some smart battery packs} include {TAIL ~ a microcontroller} which allows communication, by way of a bi directional communication line, with the battery charger regarding various battery characteristics 
include
{ HEAD ~ Some smart battery packs } include { TAIL ~ a microcontroller } which allows communication , by way of a bi directional communication line , with the battery charger regarding various battery characteristics
HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH