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It is a UPS uninterruptible power supply control board.
1>.Support charging and discharging at the same time
5>.Support short circuit protection
1>.Product Name:UPS Voltage Converter Module
2>.Working Voltage:DC 5.0V-12.0V
3>.Output Voltage:DC 9/12.0V
5>.Support Battery(No include!):3.7V Lithium or polymer battery 15Ah(Max)
6>.Working Temperature range:-40℃~85℃
7>.Working Humidity range:0%-95%RH
1>.Connect right input voltage at input terminal.
2>.Check output voltage by voltmeter and ammeter.
3>.Connect battery at B+ and B-.
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.
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.
1>.Ordinary power supply;
6>.Network equipment such as switches;
8>.Battery car modification
1>.1pc UPS Voltage Converter Module