5V Step-Up Power Module Lithium Battery Charging Protection Board with LED Display USB For DIY Charger 134N3P
Charge and discharge status indication. Red light flashes when charging; Red light is always on when full; Blue light flashes when discharging..
Input Voltage: 3.7V-5.5V; Output Voltage & Current: 5V 1A..
Internally installed charging and discharging power..
Integrated charge management and discharge management. Supports trickle mode and zero voltage charging..
Intelligent temperature control and over-temperature protection; Integrated output overvoltage protection, short circuit protection, overload protection; Integrated over-charge and over-discharge protection..