There is a red variant of the Han® S for the positive terminal and a black variant for the negative terminal. Both are also mechanically coded to prevent incorrect insertion. These properties are also beneficial for service and maintenance. If a cell in an energy storage module shows a drop in performance, the respective management system can be used to switch it off and have it replaced. To do so, the Han® S interfaces of the adjacent modules are simply turned aside in the locked state to make room for the switch-out. There is no need to interrupt the energy storage functions of unaffected modules.
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