Product Name : Automatic Charging Discharging Module DC 5V to 4.2V 500MA Battery Charger & DC 3.7V 3.8V to 3.3V 250MA LDO Converter for 18650 Li-Ion Li-Polymer
Packing list:
1/2/5PCS CRLD20MA 2 in 1 charge and buck modules 3.3V Output
Description:
Charge voltage : DC 4.5V-6V(Recommend DC 5V)
Charging current : 100-500mA
Full charge voltage : 4.24V(+-1%)
Bat to Vo LDO current(Vo=3.3V) : 0-250mA;
Bat to Vo LDO quiescent current(Vo=3.3V)quiescent current : 2uA
Operating ambient temperature : -40° to +85°
Storage temperature : -65° to +125°
Ultra-small size: 12*11*2.1MM
ultra light weight :0.5g
Note :
This module without lithium battery over-discharge protection,
Matching protection board Click here to buy
Applications:
A AA AAA Dry cell powered equipment
Battery powered equipment
Lithium Battery 18650 14500
UPS power supply equipment diy
Solar charging
STM32 FPGA/CPLD PIC AVR Board
Electronic diy kit
Wifi Module ESP8266 ESP32
Bluetooth-Compatible Module:HC-05 HC-06 SPP-C
Pin Description:
Vo : 200MA LDO output positive pole(3V/3.3V)
B :Battery Charging positive pole(4.24V)
Vi : Input Power positive pole(4.5-6V)
G :GND(0V)
