Output Power: 7W - 50W; Output Voltage: 3.6V - 8.5V; Input Current: 1.3A - 20A; Input Voltage: 3.2V - 4.5V; Efficiency: 93%; Loading Resistance: 0.20 - 3.00; Screen Size: 0.96" OLED; Low Voltage Protection; High Input Voltage Warning; Output Short Circuit Protection; Reverse Battery Protection