Mini UPS Circuit 3.7V-5V to 9V or 12V Specification: Product Name: Mini UPS Circuit Working Voltage:DC 5.0V-12.0V Output Voltage:12.0V or 9V Output Power:12W Support Battery(No include):3.7V Lithium or polymer battery 15Ah(Max) Working Temperature range:-40℃~85℃ Working Humidity range:0%-95%RH Size:50*20*6.3mm Features: Support charging and discharging at the same time Large current Small size High efficiency Support short circuit protection Using Steps: Connect right input voltage at input terminal. Check output voltage by voltmeter and ammeter. Connect battery at B and B-. Application: Ordinary power supply. Battery charger. Mobile power. Power conversion. Infrared alarm. Network equipment such as switches. Router. Arduino project. Router power supply. Package: 1pc Mini UPS Circuit
