Product Features: Mini cooling fan extend the life of the charger. Clear positive and negative, easy to connect, and have reverse polarity protection. Perfect for keeping your vehicles fully-charged and maintained during year-round battery maintenance or long-term storage. Our car charger battery adopts an advanced microcomputer automatic management system, which can automatically stop charging when fully charged. Multiple protection:Overcharging protection, Over voltage protection, over current protection, overheating protection, low voltage protection, Short circuit protection,it is more secure to use.
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