TP4056 1A Li-ion lithium Battery Charging Module – Type C

The TP4056 Type-C USB Charging Module is a linear charger designed for 1-cell 3.7V lithium batteries using constant-current/constant-voltage (CC/CV) charging. It features a USB-C input, onboard charging status LEDs, and battery protection circuitry (optional based on module version).

• Input Voltage: 4.5V – 5.5V (via USB-C or IN+ & IN– pads)
  
• Charging Current: Default: ~1A (Adjustable via resistor)
  
• Battery Type: Single-cell 3.7V Li-ion/LiPo
  
• Charge Cut-off Voltage: 4.2V ± 1%
  
• Battery Protection: Available in protected version (overcharge, overdischarge, short circuit)
  
• Status Indicators: Red = Charging, Blue = Fully charged