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<br />Features: 
<br />1. Dual USB battery voltage detection with a key switch control 
<br />2.2 holes USB interface + voltage detection compatibility is strong 
<br />3. 3.1A Extra Large Current Smart Assignment Yellow LED charging indicator function 
<br />4. Body seamlessly integrated aluminum alloy metal ring pure copper USB contact rugged 
<br />5. Intelligent surge protection with fuse mode intelligent dual-chip high-speed charging 
<br />6. Built-in over-current over-voltage short-circuit protection, support trickle that is to maintain the charging mode 
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<br />Product parameters: 
<br />Material: aluminum alloy  PC + ABS 
<br />Input voltage: DC12V-24V 
<br />Output voltage: 5V 
<br />Output power: 15.5W 
<br />Output current: 3100MA 
<br />Working temperature: 0   ~ 40   
<br />Weight: about 35g
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<br />Package included:
<br />1* car charger
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