This boost converter is an ideal match for DSO138 oscilloscope kit(not included). It can be connected directly to the DSO138 motherboard(not included), make DSO138 oscilloscope to be a portable oscilloscope for better use.<br> <br><strong>Features:</strong><br>High performance DC/DC converter boost module.<br>Can make 3.5V-8V voltage boost up to 9V.<br>Applicable situation: need 3.7V lithium battery or USB for power supply.<br>An ideal match for DSO138 oscilloscope kit(not included).<br><br><strong>Notice:</strong><br>The DSO138 oscilloscope and battery is not included.<br><br><strong>Specifications:</strong><br>Input Voltage: 3.5V - 8V<br>Output Voltage: 9V<br>Output Current: 150mA (when the output voltage is 9V)<br>Ripple Voltage: 100mVpk (output current at 150mA)<br>PCB Board Size: 50 * 15mm / 1.97 * 0.6in<br>Package Weight: 6g / 0.23oz<br><br><strong>Package List:</strong><br>1 * DC/DC Converter Boost Moudle