Board PCB For DIY Charger Lithium Battery USB 5V 1A

5V Step-Up Power Module Lithium Battery Charging Protection Board USB For DIY Charger.

5V Step-Up Power Module Lithium Battery Charging Protection Board USB For DIY Charger 134N3P is a Lithium Battery Charging Protection Board and Boost Converter LED Display USB for DIY Charger 134N3P. High-Quality USB iron with Cheap display port video card and Integrated Circuits

Features:

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 over temperature protection
Integration output over voltage protection, short circuit protection, overload protection
Integration overcharging and over discharging protection
Support trickle mode and zero voltage charging
When charging :red light flashing;
Full charged :red light light for a long time.
Specifications:

Input Voltage: 3.7V~5.5V
Charging Current: 1A (max)
Output Current: 1A(max)
Output voltage:5V
Dimensions: 23 x 18 x 10 mm (LxWxH)
Weight: 3 gm
BAT Discharging Stop Voltage: 2.9V
Discharging Efficiency: 85% (input 3.7V output 5V/1A)

Package included:

1 x Board PCB For DIY Charger Lithium Battery USB 5V 1A