The battery with {HEAD ~ replaceable cells} of {TAIL ~ the present invention} includes a plurality of battery cells, each contained within a separate casing 
The battery with { HEAD ~ replaceable cells } of { TAIL ~ the present invention } includes a plurality of battery cells , each contained within a separate casing
OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH