Boost Converter Step-Up Power Module 3.7V-5V 0.9V-5V Charging Protection Board LED Display USB For DIY Charger 134N3P

• Product 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.