Features 【Multi-protection】DC-DC voltage converter over temperature shutdown, input under voltage protection and short circuit protection. 【Easy to use】Step up power supply module reasonable component layout, easy to wire and use. 【High conversion efficiency】Boost module conversion efficiency up to 94% (usually 75-91%). 【Frequency】DC-DC boost converter module, working frequency 600khz. 【Good stability】60W boost converter on-board high quality capacitors stabilize output voltage. Specification: Item Type: DC-DC Boost Converter Output Voltage: 5V 6V 9V 12V 15V 19.5V (Optional) Working Frequency: 600KHZ Maximum Conversion Efficiency: 94%(Normally 75%-91%) Quiescent Current: About 1MA Operating Temperature: -40~+85℃ Storage Temperature: -65~+150℃ Size : Approx 45x21x15mm / 1.77x0.83x0.59in Weight : 9g Output 5V: Input voltage DC 3.7~4.5V, output DC 5V±3% Maximum output: 5V / 3.5A (maximum power 17W, see picture for more details) Output 6V: Input voltage DC 3.7~5V, output DC 6V±3% Maximum output: 6V / 4A (maximum power 24W, see picture for more details) Output 9V: Input voltage DC 3.7~8V, output DC 9V±3% Maximum output: 9V / 5A (maximum power 45W, see picture for more details) Output 12V: Input voltage DC 3.7~11V, output DC 12V±3% Maximum output: 12V / 5A (maximum power 60W, see picture for more details) Output 15V: Input voltage DC 3.7~14V, output DC 15V±3% Maximum output: 15V / 4.5A (maximum power 67W, see picture for more details) Output 19.5V: Input voltage DC 9~18V, output DC 19.5V±3% Maximum output: 19.5V / 3A (maximum power 58W, see picture for more details) Package List: 1 x Boost Converter Package List 1 x Boost Converter