This is a very good block, everything is epoxy inside and probably weatherproof. When I use it, the battery has been draining at night and it doesn't seem to stop protecting the battery. (BAT LED flashes). It doesn't charge automatically in the morning. I have to reset it every morning and it doesn't work for my "automatic" system. Would like to try another. Update 6 September 2020 The seller responded very quickly and tried to help as soon as I contacted him. Help very diligently. We work through all the problems, they help solve my problem. Very good and reliable seller. Absolutely deserved 5 stars Thank you CL
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