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Battery Step Up Charger Board, Lithium Battery Charging Boost Module Dual Color LED High Efficiency 15W 3A  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 Battery Step Up Charger Board, model LX 2BUPS, is a battery boost charging module designed for lithium batteries with a voltage of 3.7V and a full charge voltage of 4.2V. Made from PCB material, this module features a boost switch power supply structure that supports dual power supply switching between the battery and external power without delay. It can handle loads with output positive and negative poles, supporting normal loads under 5W and transient loads up to 8W. This high-efficiency module is suitable for electrical devices requiring 5V 1A, 9V 500mA, or 12V 350mA output currents, making it a versatile choice for various applications.</p>