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Master-slave switch
the device stops charging when it detects that the batteries are fully charged * Safe charging time The device stops charging when the charging time exceeds 15 hours * Protection against reverse polarity Electrical circuits protect the device and batteries when the batteries are inserted in reverse * Detecting damaged and unrechargeable cells* This feature protects the charger when attempting to charge damaged or unrechargeable cells
Electronic chip
Open lid and UV light off
easy to use-Material PVC-Output 2A-Length Main cable 80cm/Branch cable 20cm-Charging only
US-SJ391/SJ394/SJ397 U41 LIGHTNING Braided Data and Charging Cable 1m/2m/3m Size:RED Master-slave switch1Fast and safe to charge 2Support charging and data transmission 3Extended SR, durable in use 4Nylon braided cable, firm and flexible