5V Step-Up Power Module Lithium Battery Charging Protection Board USB 134N3P

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 5V Step-Up Power Module Lithium Battery Charging Protection Board