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The lithium battery charger module is suitable for 3.7V or 4.2V lithium batteries, with a discharge efficiency of up to 96%. Lithium battery charger modules are widely used in mobile phone charging, alarm clocks, driving recorders, work lights and other fields. The lithium battery charger module provides protection functions such as overcurrent, overvoltage, short circuit, and overheating to protect the lithium battery from burning out during charging or discharging. The lithium battery charger module is made of high quality electronic components and is reliable and stable. We strive to provide you with the highest quality product and the best customer experience, if you're not entirely satisfied, please just feel free to contact us at any time.