Patent ID: 9368768
Filing Date: 2016-06-14
CPC Classification: F21L,H01M,Y02E,Y02P

Claim Text:
1. A device powered by a plurality of batteries held in a series configuration in a battery compartment, wherein each of the plurality of batteries is comprised of a metal can which holds a cathode, an anode and a current collector, said can having a first end with a first contact having a first polarity and a second end with a second contact having a second polarity, said two or more batteries having a terminal battery in which its second end is a terminal end of the series configuration which is held proximate to a terminal retaining member of the battery compartment, comprising: an adjustable mechanical retention device which biases the plurality of batteries toward a first end of the series configuration which is held proximate to an initial retaining member of the battery compartment; wherein the adjustable mechanical retention device creates a snug mechanical fit at a bottom surface of the metal can of the terminal battery.