5V Boost Step Up Power Module Lithium LiPo Batteries Charging Protection Board LED Display USB for DIY Charger 134N3P Program

Charge and discharge status indication

Built-in charging and discharging power MOS

Input voltage: 3.7V~5.5V

Charging current: up to 1A

Output current: up to 1A

Output voltage: 5V

BAT discharge termination voltage: 2.9V

Preset 4.2V charging voltage with an accuracy of ±1%

Discharge efficiency: 85% (input 3.7V, output 5V/1A)

Maximum 8uA standby current

Integrated charge management and discharge management

Intelligent temperature control and over temperature protection

Integrated output overvoltage protection, short circuit protection, heavy duty protection

Integrated overcharge and overdischarge protection

Supports turbulence mode and zero voltage charging