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Lithium Battery Charging Boost Module, No Delay 15W 3A High Efficiency Battery Step Up Charger Board  For Electrical Device 5V 1A,9V 500mA,12V 350mA

<ul><li>POWER SWITCHING: Lithium battery boost charging module, with UPS circuit, can realize dual power supply switching between power supply and battery without delay.</li><li>UPS POWER SUPPLY: UPS uninterruptible power supply function, when the power supply has power, the power supply directly supplies the load through the boost circuit.</li><li>MODULE INTERFACE: The module is equipped with two  battery sockets, a universal Micro USB charging port, and direct DC5V input to charge the lithium battery.</li></ul>

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<p>The Lithium Battery Charging Boost Module is designed for efficient power management in electrical devices. This module features a UPS circuit that enables seamless switching between the power supply and a 3.7V lithium battery, which charges up to 4.2V. It supports a load with normal power consumption under 5W and transient loads up to 8W. The module includes two battery sockets, a universal Micro USB charging port, and a direct DC 5V input for charging the lithium battery. Its boost circuit structure ensures stable output voltages of 5V at 1A, 9V at 500mA, and 12V at 350mA, making it a high-efficiency step-up charger board suitable for various electrical applications.</p>