The 3A-UBEC is a switch-mode DC-DC regulator supplied with a 2-4 cells liPo battery, it outputs a consistent safe voltage for your receiver, gyro and servos. It is very suitable for RC helicopter.Compared with the linear mode UBEC, the overall efficiency of the switch-mode UBEC is much higher.<br><br>Features:<br>Designed with an advanced switch mode DC-DC regulator IC<br>The output is powerful even working with 4S cells LiPo battery.<br>Battery polarity reversal protection<br><br>Specification:<br>Brand: Flycolor<br>Voltage convert: DC 14.8V to 5V/3A<br>Continuous output current: 3A<br>Input: 7.4V~14.8V (2-4 cells LiPo battery pack)<br>Size: 38 * 18 * 8mm (cable not included)<br>Weight: 11g<br><br>Package Information:<br>Package size: 10 * 3.5 * 1cm / 2 * 1.4 * 0.4in<br>Package wight: 15g / 0.5oz<br>Adehesive taps package<br><br>There may be a little deviation due to manual measurement<br><br>Package List:<br>1 * Flycolor 4S 3A UBEC