各位高手请帮我，此充电器怎么用？

lwf

<p>红、黑　0v</p><p>绿、黑　1.6V</p><p>白、黑　5.05V</p><p>白、黑虽有5.05V电压，但充电时电流为0。</p><p>怎样才能得到4.2V？</p>

lwf

第一次发帖，不知如何上传图片，请各位指导。

lwf

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lwf

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cosine

<p>这类东东好象在一些线间要加电阻的，参考一下这两个贴：</p><p><a href="http://www.shoudian.org/dispbbs.php?boardid=19&amp;id=27353">http://www.shoudian.org/dispbbs.php?boardid=19&amp;id=27353</a></p><p><a href="http://www.shoudian.org/dispbbs.php?boardid=19&amp;id=26022">http://www.shoudian.org/dispbbs.php?boardid=19&amp;id=26022</a></p><p>注意是参考这个思路，不是照抄，呵呵。</p>