3Pcs DC 2-12V to 12V 9V 9W USB Boost Power Supply Module Step Up Module DC Converter

Specifications: ? Starting voltage: 2V Input voltage: 2V-12V DC Output voltage: 12V DC (9V DC) Input current: 2A Output voltage: default 12V, 9V can be set Output power: a???8w (in the case of input 5V, it is easy to overheat) No-load current: <4mA (input 5V output 12V with LED indicator) Working temperature: -40 to -80 ?￣ C Board size: 25*14*5mm (length * width * height does not include USB)
The General Test Data (just for reference): ? Input DC2V boost to 12V output current about 260mA Input DC3V boost to 12V output current is about 400mA Input DC4.2V boost to 12V output current about 560mA Input DC5V boost to 12V output current about 660mA Input DC8.2V boost to 12V output current about 1100mA Input DC2V boost to 9V output current about 350mA Input DC3V boost to 9V output current about 530mA Input DC4.2V boost to 9V output current about 740mA Input DC5V boost to 9V output current about 880mA Input DC8.2V boost to 9V output current is about 1450mA

Note: ? The output default is 12V, and it is necessary to output 9V voltage. Connect the solder pad near 9V with solder. ? Package Included: ? 3 x USB Boost Power Supply Module

Details Pictures: ?