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4 in1 3.1A Dual USB Car Charger Digital Display Ammeter Voltmeter for Each USB Port
$ 7.99
COLOR
DESCRIPTION
Features:
New design with double 3.1A USB output,PTTC over-current protection,display the voltage,temperature and current alternately by each 20 seconds.Auto power off while the input current or output current is greater than the safety current,please plug out will working again.
Input voltage:DC 12 V
Output voltage: DC 5V
Output current: 3.1A
Conversion efficiency:95%
Voltage measuring range: 5 V - 25 V
Current measuring range: 0-3.1 A
Temperature measurement range: - 20 degrees to + 80 degrees
- New design with double 3.1A USB output,PTTC over-current protection,display the voltage,temperature and current alternately by each 20 seconds.
- SMART CHARGING - No matter what device you have, Smart Technology always learns and outputs the optimal current for safe charging
- Intelligent circuit design protects against over-heating, over-currents, over charging and short circuit;Charging stops when battery is full.
- Built-in charging circuitry fully protects devices from any short circuiting, over-heating, over-charging, and over-currents.
- Compatible with majority of mobile devices (Apple, Android, tablets, etc.)
![Car Charger, 3.1A Double USB car charger Smart Port Car Charger [Black] for Mobile phones Tablet PC charger socket](http://image.top1price.com/qNVPhYAuYtFiPsoLcnEPLgZNEks=/0x300/product_images/full/48b975be8ee7b98d391244799f587bc45c811c8c/car-charger-3-1a-double-usb-car-charger-smart-port-car-charger-black-for-mobile-phones-tablet-pc-charger-socket.jpg "Car Charger, 3.1A Double USB car charger Smart Port Car Charger [Black] for Mobile phones Tablet PC charger socket")
