5V Step-Up Power Module Lithium Battery Charging Protection Board USB For DIY Charger 134N3P Lithium Battery Charging Protection Board Boost Converter LED Display USB For DIY Charger 134N3P High-Quality USB iron with Cheap display port video card and Integrated Circuits.
Features:
-BAT Discharging Stop Voltage: 2.9V.
-Discharging Efficiency:85%(input 3.7V output 5V/1A).
-Charging and discharging indication.
-Internally installed charging and discharging power MOS.
-Preset 4.2V charging voltage, precision ±1%.
-Max 8uA standby current.
-Integration charging management and discharging management.
-Intelligent temperature control and overtemperature protection.
-Integration output overvoltage protection, short circuit protection, overload protection.
-Integration overcharging and over-discharging protection.
-Support trickle mode and zero voltage charging.
-When charging: red light flashing.
-Fully charged: Red light glows for a long time.
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