10pcs 5V Step-Up Power Module Lithium Battery Charging Protection Board Boost Converter LED Display USB for DIY Charger 134N3P

Supply Voltage:3.7V~5.5V is_customized:Yes Type:Logic ICs Operating Temperature:-30-85 celsius Condition:New Application:Power Modules Charging Current:1A(max) BAT Discharging Stop Voltage:2.9V Discharging Efficiency:85% NOTE: Product Introduction: BAT Discharging Stop Voltage:2.9V Discharging Efficiency:85%(input 3.7V output 5V/1A) Features: Charging and discharging indication Internally installed charging and discharging power MOS Preset 4.2V charging voltage, precision plusmn;1% Max 8uA standby current Integration charging management and discharging management Intelligent temperature control and overtemperature protection Integration output overvoltage protection,short coircuit protection,overload protection Integration overcharging and overdischarging protection Support trickle mode and zero voltage charging When charging :red light flashing Full charged :red light light for a long time Unit Type:lot (10 pieces/lot) Package Weight:0.04kg (0.09lb.) Package Size:15cm x 12cm x 10cm (5.91in x 4.72in x 3.94in)