5V Step-Up Power Module Lithium Battery Charging Protection Board USB For DIY Charger 134N3P
$21.6
$29.81
Specification: 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 Dual USB Charging Module
