2A 5V 4in1 Charger Discharge Module Protection Board For 3.7V 4.2V Batter☜

2A 5V 4in1 Charger Discharge Module Protection Board For 3.7V 4.2V Batter☜

Feature: \n 1. This module can protect lithium battery from burnout during charging or discharging.\n2. Provide many protection functions against over-current, overvoltage, short circuit, over-temperature protection.\n3. Suitable for 3.7V or 4.2V lithium battery.\n4. The module is made with high quality electronic components, reliable and stable.\n5. Reasonable layout, easy to wire and use. \n\nSpecification: \n\nFeatures: \n\n1. This module can protect lithium battery from burnout during charging or discharging.\n\n2. Provide many protect functions against over-current, overvoltage, short circuit, over-temperature protection.\n\n3. Suitable for 3.7V or 4.2V lithium battery.\n\n4. The module is made with high quality electronic components, reliable and stable.\n\n5. Reasonable layout, easy to wire and use.\n\n  \n\nSpecification: \n\nCharging voltage: DC 4.5V-5.5V (DC 5V recommended) \n\nCharging current : 0-2.1A \n\nCharging quiescent current : 100uA \n\nFull vol:

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