Installed two and none worked. They can slow down battery drain a bit, but they don't keep my camera's battery charged like Ring's solar panels do. Within a few days, the batteries were 40% discharged. Thanks to ring solar panels, my batteries are always charged and I don't have to worry. They have excellent sun coverage. In terms of build quality, they're okay. Again, they're a far cry from the quality of Ring solar panels, which look like professionally-made molded products. These are aluminum frames with screws and the like. If they worked I wouldn't care although they look cheap compared to the rings. They also have a large bulge on the back (where, I believe the battery is located according to the instructions) that needs to be placed in a specific way to prevent water ingress. The price was high for what the product is. Assuming it worked! I wouldn't buy them again and if support doesn't get them working I will return them.
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