??LED Voltage Display??This SAE adapter has a built-in voltmeter. Detect and display the voltage when power is on. It is also a very convenient way to tell you if the connection is successful. ??Powerful Capacity??The SAE to USB adapter is designed for use on any 9-24 volt battery, and is used to charge any Phones, GPS, Camera, digital cameras, or any Smartphone or device that may be charged via USB. ??Over-charge Protection??CE & ROHS certified, display the current detected by the intelligent circuitry while charging. Intelligent circuit design protects against excessive current, overheating, and overcharging. .
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