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3: Connect to the solar panel. S+ S- connect to solar panel. 1: Connect the lithium battery, the battery must have the corresponding protection board. The switch can be installed if it needs to be turned off at night or the switch interface SW has been reserved for transportation and storage.
When you click on links to various merchants on this site and make a purchase, this can result in this site earning a commission. Affiliate programs and affiliations include, but are not limited to, the eBay Partner Network.