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.
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.
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!
Use 3 AA baterries to charge cell phone:
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
370 Categories,2,368 Products,Worldwide shipping to 189 countries.