| 摘要 |
One embodiment of the present invention is a battery (17) (preferably configured in the form of a wrist band, headband, necklace, arm band or a waist band) for a personal electronic device (preferably a watch, a personal communications device, a personal television, or a personal radio), the battery located external to the personal electronic device and comprising: an outer surface (12); an anode (28); a cathode (30); and a connector (10) to electrically connect the battery to the personal electronic device. The battery of the present invention can be flexible. In addition the battery may further include a plurality of photovoltaic cells (22) disposed on the outer surface of the battery, whereby the battery and the photovoltaic cells are operable to supply power to the personal electronic device. Additionally, the plurality of photovoltaic cells would be operable to charge the battery during periods other than when the battery is supplying power to the personal electronic device.
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