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  • Wholesale DC-DC 3V to 5V step-up Power Transformer Module, mobile phone/MP3/MP4 emergency recharger

DC-DC 3V to 5V step-up Power Transformer Module, mobile phone/MP3/MP4 emergency recharger

    Qty.Range(unit) Price(per unit) Discount
    20-49 US$3.14 10%
    50-99 US$2.86 18%
    100-249 US$2.51 28%
    250--max US$2.27 35%
    Large Order:
  • US$3.49
  • Quantity:



    Product Details

    DC-DC 3V to 5V step-up Power Module, mobile phone/MP3/MP4 emergency recharger


    Description:

    Brand New 3V to 5V Step-up Module circuit with USB output.  Using three AA battery or Input any 1-5V can output around 5V/500mA power for recharge mobile phone/MP3/MP4, ect. It is also can be a super mobile current source if using high capacity  lithium batteries. Circuit design scientifically with large copper cooling panel. Good performance with low voltage alarm circuits. The connection is very simple and it is really a good helper in digital products DIY.

    Technical parameters:

    • Working voltage: 1.0 V - 5.0 V
    • Leds warning: 1.0 v - 3.2 v
    • Output voltage: 5.2 - 5.5 V
    • Output current: <= 500ma
    • Input indication : B + input positive, B-: input negative
    • Output: standard USB
    • Load ability: when VIN = 3.0 V VOUT = 3.3 V, I OUT= 650mA

    LED indication:

    When input voltage raise from 1.0V to 3.2 V, the light would down from the most brightness to extinguish. When the module is loaded, the LED indicator would light up.

    Size: PCB:30mm * 19mm (38mm*19mm with USB head)

    Application example:

    The emergency charger adopts high integrated circuit, which could boost 3pcs AA battery or single day lithium battery to 5.5 V, release all energy to mobile phone/MP3 / MP4, etc, due to current electric control, it would not damage any devices of the cell phone. It could be used in the digital products, such as mobile phones, MP3, PDA in emergency charging. This product particularly suitable for traveling, outdoor travel and adventure, etc, to solve the charge of electricity. Go emergency Anytime, anywhere can do phone charging. And it works very stable!

    Item Display:

    Use 3 AA baterries to charge cell phone:

    In Charging

    Click Here to buy the battery holder

    Input 1.3V, input current 170MA

    Input 2.3V, input current 390MA

    input 3.7V, input current 810MA

    Input 4.1V, input current 940MA

    input 4.2V,input 1000MA

    input 4.5V,input 1017MA

    input 5.0V,1200MA

     

     

     

     


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