Andoer Hobbywing 3A Switch Mode UBEC 5V 6V max 5A Lowest RF Noise Output Voltage: 5V/3A or 6V/3A (Changeable with an output-voltage select switch ) Continuous output current: 3 Amps Input: 5.5V-26V (2-6 cells lithium battery pack or 5-18 cells NiMH /NiCd battery)