2928| 11
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太阳能片做的太阳能充电系统 |
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点评
肖特基我有,我是两片串起来的,平时测量,开路电压应该有6V多,强光下没试,所以加了0.7伏的压降的,再加上手机电池,电压就拉下来了,充电电流不大,很小的。当然,强光下也没有测,基本上两天从3.7充到4.1
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