5V 2A Lithium Battery Charger Step Up Protection Board 2S 7.4V Boost Power Module

Product parameters• Input voltage working range 4.6V-5.5V• 5V/2A input synchronous boost charging• Input adaptive charging• Support two 4.2V batteriesED display charging status, support two-color light display• With a trickle/constant current/constant voltage charging mode• Charging 24 hours overtime protectionOutput overcurrent, overvoltage, short circuit protection• Input over voltage,under voltage protection• Input voltage 13V· OTP over-temperature protection• Size: 27.9mm*17.1mm