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Three of the largest problems with batteries are: waste of unused power still left in a battery after use, disposing of used batteries and use of rare earth metals to create new batteries. By using used batteries to power the E-Charger, the above problems can have a greatly reduced impact. The E-Charger can use the unused power left in a dead battery to charge a phone for an emergency call. It also provides a safe, easy place to dispose of used batteries and cuts down on the number of batteries that need to be made. E-charger implements the effective use of recycling waste batteries. It is economical, environmentally friendly & easy to use!