｣ｬ  to a willin 5 . <br /><br />package content:<br />100%<br />1x mini pfm control dc-dc b 0.9v-5v to 5v dc boost step-up<br /><br />features:<br />diy a mobile power supply｣ｬ only need one battery｣ｬ you can output 5v voltage for your phone｣ｬ mp3｣ｬ mp4｣ｬ psp charger｣ｬ very easy.<br />in order to power your electronic devices when your device needs 5v power supply｣ｬ when you only have lithium battery｣ｬ this module can be directly step-up to 5v｣ｬ solve your problems.<br /> <br />applications:<br />1.input voltage: 0.9-5v dc<br />2.mini pfm control<br />3.output voltage: 5v dc<br />4. any dc voltage input 0.9v ~ 5v｣ｬ output 5v dc voltage can be stable｣ｬ with two aa batteries input to the output current of 500 ~ 600ma｣ｬ single aa battery power supply output current about 200ma<br />5. onboard b female｣ｬ can supply power directly to the b interface<br />6. on-board input voltage indicator<br />7.high conversion efficiency｣ｬ maximum to 96%<br />8.small dimension<br />9. pcb size: 34 mm x16.2 mm