This disclosure relates to wrapped batteries and battery systems. An example wrapped battery includes an anode, a cathode, a separator, and an electrolyte packaged within a pouch. The pouch includes a polymer coated with a conductive material and at least one sealed and folded edge, which is folded in a single-side fold arrangement to form a battery. The battery is wrapped with a pack wrap to form the wrapped battery and cover exposed conductive material on the at least one sealed and folded edge. An example battery- system includes a first battery arranged proximate to a second battery to form a combined battery configuration and wrapped with a pack wrap to form the battery system and to cover exposed conductive material in the sealed and folded edges. The wrapped battery and battery system do not include side tape over the exposed conductive material of the sealed and folded edges.
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