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300美元打造太阳能发电机声明:全英文的,从国外网站转来的,花了一个多小时的时间自己翻译了一下,高手看到多多指正1. Buy (or make) yourself a small solar panel. For about $100 you should be able to get one rated at 12 volts or better (look for 16 volts) at an RV or marine supplies store or from Greenbatteries Store or Earthtech.
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