The 'Jump-Start CARD,' designed by Chu Li-Chiao, Yang Hsiang-Hui, Chen You-Ren and Lin Chun-Jun, allows cellphone batteries to charge off another cellphone using wireless short-distance electromagnetic induction technology. Simply place the batteries onto the card and it will begin charging.
Using a similar concept as that behind jump-starting a car, this 'Jump-Start CARD' may be ultra helpful for those who are always on their phones.
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28 Inventive Cellphone Chargers
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Visual iPhone Chargers