TECNOIOT 2pcs DC 5V 12V to UPS Uninterruptible Power Supply 18650 Battery Protection Board

【12V UPS BOARD】✔1>.Product Name:UPS Voltage Converter Module✔2>.Working Voltage:DC 5.0V-12.0V ✔3>.Output Voltage:DC 12.0V✔4>.Output power:12W✔5>.Support Battery(No include!):3.7V Lithium or polymer battery 15Ah(Max) 【Specification】✔6>.Working Temperature range:-40℃~85℃✔7>.Working Humidity range:0%-95%RH✔8>.Size:50*20*6.3mm 【Using Step】✔1>.Connect right input voltage at input terminal ✔2>.Check output voltage by voltmeter and ammeter. ✔3>.Connect battery at B+ and B-. 【Note-1】✔1>.Its max output current is 1A and can not keep output 1A.✔2>.The positive and negative poles of the input power supply cannot be reversed Otherwise the module will be damaged. 【Note-2】✔3>.Users can install a common anode Red-Blue LED by yourself as charging indicators.Blue light indicates whether there is a load at output.Keep Red is charging.There is no battery if Red flashing.Red OFF if charged.✔4>.Due to the large current, it is recommended to use a thicker wire.Wire cross-section greater than 1.5 square millimeters.✔5>.Please read use manual and description before use.