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