Monday, Apr 18, 2016 at 10:09
Sure, and it always helps to have the most info you can get.
But if there's say inadequate supply in the current rig, maybe just a cheap inline meter/monitor will be enough to diagnose where the problem is. $40 to $50 on eBay.
That's of course after you've done the numbers on what's likely to be going into the batteries and what the drain is. See the solar calculator on the Redarc website for a simple approach to this task.
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