5pcs 5V Boost Converter Step-Up Power Module Lithium Battery Charging Protection Board LED Display USB For DIY Charger 134N3P

Introduction: 1.Input Voltage: 3.7V~5.5V 2.Charging Current: 1A(max) 3.Output Current: 1A(max) 4.Output voltage: 5V 5.BAT Discharging Stop Voltage: 2.9V 6.Discharging Efficiency: 85%(input 3.7V output 5V/1A)

Features: 1.Charging and discharging indication 2.Internally installed charging and discharging power MOS 3.Preset 4.2V charging voltage, precision ±1% 4.Max 8uA standby current 5.Integration charging management and discharging management 6.Intelligent temperature control and overtemperature protection 7.Integration output overvoltage protection,short coircuit protection,overload protection 8.Integration overcharging and overdischarging protection 9.Support trickle mode and zero voltage charging

When charging :red light flashing; Full charged :red light light for a long time.

This 5V boost module is a small and portable lithium battery charging protection board that uses the motherboard 134N3P scheme, applicable to various scenes such as DIY chargers. It can boost the input voltage to the required output voltage, making it very convenient to use. In addition, the boost board also has lithium battery charging protection function, which can effectively prevent damage caused by overcharging or over-discharging of the battery, and increase the service life of the power supply. The product has a compact design, easy to operate, reasonable structure, and high performance and reliability, making it an ideal choice for making small electronic devices and toys. Overall, this 5V boost board provides portable boosting and lithium battery charging protection functions, making it convenient for you to carry out various DIY electronic projects.