Thunderbolt 1.5 watt solar charger
Hi: Just bought a Thunderbolt 1.5 watt solar charger for my RV from Harbor Freight. The box and ads suggest that you can simply plug into cigarette lighter. The instructions, however, say that you ...
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Question along the same lines but different reason ... I bought a 2 pack of panels from Costco a number of years ago that look just like that ... curious if a controller is needed to prevent my or the OP's panels from draining the battery during darkness? Or is that not a possible scenario?
