2PCS 5V 1A Boost Step Up Power Module Lithium Lo Battery Charging Protection Board USB For DIY Charger

Specifications: 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 Light display: Charging: red light fing (red light long brightne means full charged) Discharge: Blue light fing Package Included: 2PCS x 5V 1A Boost Step Up Power Module Lithium Lo Battery Charging Protection Board USB for DIY Charger

About shping
Shping and Pack All it will be double checked and well packed before sending.It will be dispatched within 2 business days after buyers pay for the order. It usually takes about 14 to 18 working days for delivering the package to the destination(for e areas,it may take a little longer). 

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