Descripition:
Material: PCB + iron
Chipset: TP4056
Input voltage: 4.5V~5.5V
Fully charged voltage: 4.2V
Charging current: 1A adjustable
Working temperature: -10'C~85'C
Charging method: Linear charging 1%
Charging precision: 1.5%
Charging indicator: Red light charging, Blue light fully charged
Interface: Micro USB
Great for DIY project