solar panel hooked directly to battery
I've heard of some folks hooking a small solar panel directly to the battery to charge or maintain it. But some panels (my 70W, for instance) can peak its output as high as 17V. My question is, how ...
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Let me rephrase/refine my question. For a short time of charging a non-full (depleted) battery, would the direct connection at 16-17V charge the battery harmlessly, and would it charge more quickly than a panel with a controller that knocks the voltage down to about 14V?
